{"title":"Vitamin C","description":"\u003cp style=\"text-align: center;\"\u003eAntioxidant vitamin C serums and creams, from stable esters to L-ascorbic acid, for brighter, firmer, more even-looking skin. These non-prescription formulas are designed for daily use, typically in the morning before SPF.\u003c\/p\u003e","products":[{"product_id":"obagi-professional-c-20-serum","title":"OBAGI - Professional-C® Serum 20%","description":"\u003cdiv class=\"sbs-summary\" style=\"background:#F8F8F8;border-left:4px solid #A1DECD;padding:14px 16px;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eIn short:\u003c\/strong\u003e Obagi Professional-C® Serum 20% is Obagi's strongest L-ascorbic acid (vitamin C) serum, used each morning before SPF for brighter, more even-looking skin and antioxidant protection. Lab research found 20% L-ascorbic acid at low pH gave the highest skin uptake.\u003c\/p\u003e\u003c\/div\u003e\n\u003ch2\u003eObagi Professional-C Serum 20%: Maximum-Strength Vitamin C Antioxidant Serum\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eObagi Professional-C® Serum 20%\u003c\/strong\u003e is the highest-strength antioxidant serum in the Obagi Professional-C range. It combines \u003cstrong\u003e20% pure L-ascorbic acid\u003c\/strong\u003e with sodium hyaluronate to brighten and hydrate the complexion, strengthen antioxidant defences and improve the appearance of dark spots, fine lines and wrinkles.\u003c\/p\u003e\n\u003cp\u003eDeveloped for normal-to-oily and combination skin, this fast-absorbing serum delivers a concentrated daily vitamin C treatment without leaving a heavy or greasy finish. It is particularly suited to experienced vitamin C users seeking Obagi’s maximum L-ascorbic acid concentration for visible radiance, smoother-looking skin and advanced protection against environmental oxidative stress.\u003c\/p\u003e\n\u003cp\u003eObagi identifies Professional-C Serum 20% as a bestselling formulation, recognised with the 2025 Allure Best of Beauty Award for Best Antioxidant Facial Serum.\u003c\/p\u003e\n\u003ch2\u003eWhat Does Obagi Professional-C Serum 20% Do?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDelivers Obagi’s maximum 20% concentration of pure L-ascorbic acid.\u003c\/li\u003e\n\u003cli\u003eBrightens dull, tired and environmentally stressed skin.\u003c\/li\u003e\n\u003cli\u003eHelps improve the appearance of dark spots and uneven skin tone.\u003c\/li\u003e\n\u003cli\u003eSmooths the visible appearance of fine lines and wrinkles.\u003c\/li\u003e\n\u003cli\u003eSupports a firmer, more youthful-looking complexion.\u003c\/li\u003e\n\u003cli\u003eStrengthens the skin’s antioxidant defences against free radicals.\u003c\/li\u003e\n\u003cli\u003eHelps combat oxidative stress associated with blue light and infrared radiation.\u003c\/li\u003e\n\u003cli\u003eProvides complementary hydration through sodium hyaluronate.\u003c\/li\u003e\n\u003cli\u003eAbsorbs rapidly with a lightweight finish suited to normal, oily and combination skin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e20% Pure L-Ascorbic Acid\u003c\/h2\u003e\n\u003cp\u003eL-ascorbic acid is the pure, biologically active form of vitamin C. It is one of the most extensively recognised antioxidant ingredients in advanced skincare and performs several connected functions within the complexion.\u003c\/p\u003e\n\u003ch3\u003eAdvanced Antioxidant Defence\u003c\/h3\u003e\n\u003cp\u003eUltraviolet exposure, pollution, infrared radiation and other environmental stressors can generate free radicals. These unstable molecules contribute to visible ageing by affecting the proteins, lipids and other structures responsible for healthy-looking skin.\u003c\/p\u003e\n\u003cp\u003eThe concentrated L-ascorbic acid in Professional-C Serum 20% helps neutralise free radicals and reinforces the skin’s natural antioxidant defences. Obagi has also evaluated the serum’s antioxidant potential against oxidative stress induced by blue light and infrared radiation.\u003c\/p\u003e\n\u003ch3\u003eVisible Brightening and Dark-Spot Support\u003c\/h3\u003e\n\u003cp\u003eProfessional-C Serum 20% helps reduce the visible appearance of dark spots, discolouration and uneven tone. Consistent daily use promotes a clearer, brighter and more luminous-looking complexion.\u003c\/p\u003e\n\u003cp\u003eThe 20% strength makes this formulation particularly relevant for experienced vitamin C users whose priorities include stubborn-looking dullness, visible sun damage and more established uneven pigmentation.\u003c\/p\u003e\n\u003ch3\u003eFine Lines, Wrinkles and Firmness\u003c\/h3\u003e\n\u003cp\u003eVitamin C plays an important role in the biological processes associated with healthy collagen. By supplying a concentrated form of L-ascorbic acid, the serum supports visibly smoother and firmer-looking skin while helping minimise the appearance of fine lines and wrinkles.\u003c\/p\u003e\n\u003ch2\u003eSodium Hyaluronate for a Hydrated Glow\u003c\/h2\u003e\n\u003cp\u003eProfessional-C Serum 20% combines its maximum-strength vitamin C concentration with \u003cstrong\u003esodium hyaluronate\u003c\/strong\u003e, a moisture-binding form of hyaluronic acid.\u003c\/p\u003e\n\u003cp\u003eThis hydration support helps the skin appear smoother, plumper and more radiant while complementing the serum’s antioxidant and brightening activity. It gives the 20% formulation a distinctive combination of concentrated correction and lightweight hydration.\u003c\/p\u003e\n\u003ch2\u003eReported Results\u003c\/h2\u003e\n\u003cp\u003eIn Obagi’s consumer survey analysis:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e91% of users reported that their skin appeared brighter and more hydrated.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUsers commonly select the serum to support improvements in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOverall radiance and luminosity.\u003c\/li\u003e\n\u003cli\u003eThe appearance of dark spots.\u003c\/li\u003e\n\u003cli\u003eUneven-looking skin tone.\u003c\/li\u003e\n\u003cli\u003eFine lines and wrinkles.\u003c\/li\u003e\n\u003cli\u003eVisible smoothness and firmness.\u003c\/li\u003e\n\u003cli\u003eHydration without a heavy finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eParticipant-reported results from Obagi survey analysis. Individual results can vary.\u003c\/small\u003e\u003c\/p\u003e\n\u003ch2\u003eWho Is Professional-C Serum 20% For?\u003c\/h2\u003e\n\u003cp\u003eThe 20% concentration is particularly suited to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExperienced users of pure vitamin C.\u003c\/li\u003e\n\u003cli\u003eNormal-to-oily and combination skin.\u003c\/li\u003e\n\u003cli\u003eDull or environmentally stressed complexions.\u003c\/li\u003e\n\u003cli\u003eVisible dark spots and uneven-looking pigmentation.\u003c\/li\u003e\n\u003cli\u003eFine lines, wrinkles and reduced firmness.\u003c\/li\u003e\n\u003cli\u003eSkin showing established signs of photo-ageing.\u003c\/li\u003e\n\u003cli\u003eAnyone seeking the maximum L-ascorbic acid concentration in the Obagi Professional-C range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoosing Between Professional-C 10%, 15% and 20%\u003c\/h2\u003e\n\u003cp\u003eObagi offers three Professional-C concentrations, allowing the formula to be selected according to skin type, experience and treatment objectives.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/obagi-professional-c-serum-10\"\u003e\u003cstrong\u003eProfessional-C Serum 10%\u003c\/strong\u003e\u003c\/a\u003e is the introductory concentration, particularly suited to dry, sensitive or vitamin C-naive skin.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/obagi-professional-c-serum-15\"\u003e\u003cstrong\u003eProfessional-C Serum 15%\u003c\/strong\u003e\u003c\/a\u003e provides an intermediate concentration for normal-to-combination skin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional-C Serum 20%\u003c\/strong\u003e delivers the maximum concentration and is designed primarily for normal-to-oily, combination and experienced skin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 20% formulation is the range’s most intensive option, combining concentrated L-ascorbic acid with sodium hyaluronate for brightening, antioxidant defence, visible age support and hydration.\u003c\/p\u003e\n\u003cp\u003eRead our complete \u003ca href=\"\/blogs\/news\/oobagi-professional-c-serum-10-vs-15-vs-20-which-should-you-buy\"\u003eObagi Professional-C Serum 10%, 15% and 20% guide\u003c\/a\u003e for a detailed explanation of each concentration.\u003c\/p\u003e\n\u003ch2\u003eHow to Use Obagi Professional-C Serum 20%\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eCleanse and tone the skin.\u003c\/li\u003e\n\u003cli\u003eAllow the face to dry before application.\u003c\/li\u003e\n\u003cli\u003eDispense approximately five to seven drops onto the fingertips.\u003c\/li\u003e\n\u003cli\u003eApply evenly across the face, neck and upper chest.\u003c\/li\u003e\n\u003cli\u003eAllow the serum to absorb before applying moisturiser.\u003c\/li\u003e\n\u003cli\u003eComplete the morning routine with broad-spectrum sunscreen.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eUse once daily, preferably during the morning. Experienced users can apply it consistently each day, while anyone changing from a lower concentration can introduce the 20% formula progressively according to skin tolerance.\u003c\/p\u003e\n\u003ch2\u003eBuilding an Obagi Morning Routine\u003c\/h2\u003e\n\u003cp\u003eProfessional-C Serum 20% occupies the concentrated antioxidant step immediately after cleansing and toning.\u003c\/p\u003e\n\u003cp\u003eA complete morning order may include:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eObagi cleanser.\u003c\/li\u003e\n\u003cli\u003eObagi toner, when used.\u003c\/li\u003e\n\u003cli\u003eProfessional-C Serum 20%.\u003c\/li\u003e\n\u003cli\u003eAdditional targeted serum, when required.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/obagi-hydrate-facial-moisturiser-48g\"\u003eObagi Hydrate Facial Moisturiser\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eBroad-spectrum sunscreen.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eFor an additional hydration-focused serum step, \u003ca href=\"\/products\/obagi-daily-hydro-drops-facial-serum-30ml\"\u003eObagi Daily Hydro-Drops\u003c\/a\u003e can be layered after Professional-C Serum has absorbed and before moisturiser.\u003c\/p\u003e\n\u003ch2\u003eVitamin C and Sunscreen\u003c\/h2\u003e\n\u003cp\u003eProfessional-C Serum and sunscreen perform different but complementary roles. Vitamin C strengthens antioxidant protection against environmental free radicals, while sunscreen helps shield the skin from ultraviolet radiation.\u003c\/p\u003e\n\u003cp\u003eCombining the 20% serum with daily broad-spectrum SPF creates an advanced morning defence strategy while supporting improvements in brightness, tone and visible signs of photo-ageing.\u003c\/p\u003e\n\u003ch2\u003eTexture, Colour and Formula Stability\u003c\/h2\u003e\n\u003cp\u003eProfessional-C Serum 20% has a lightweight texture designed to absorb quickly into normal-to-oily and combination skin. Its dropper format allows the concentrated serum to be distributed precisely across the face, neck and upper chest.\u003c\/p\u003e\n\u003cp\u003eL-ascorbic acid is naturally sensitive to air, heat and prolonged light exposure. Appropriate storage helps preserve the serum after opening.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKeep the bottle tightly closed between applications.\u003c\/li\u003e\n\u003cli\u003eStore it in a cool, dark and dry location.\u003c\/li\u003e\n\u003cli\u003eKeep it away from direct sunlight and excessive heat.\u003c\/li\u003e\n\u003cli\u003eDo not leave the dropper exposed for extended periods.\u003c\/li\u003e\n\u003cli\u003eUse within three to six months after opening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eObagi vitamin C serums can naturally range from clear to amber in colour. This variation can occur because of the nature of the antioxidant formula.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs Obagi Professional-C 20% the strongest serum in the range?\u003c\/h3\u003e\n\u003cp\u003eYes. It contains the maximum L-ascorbic acid concentration available across Obagi Professional-C Serum 10%, 15% and 20%.\u003c\/p\u003e\n\u003ch3\u003eWhat type of vitamin C does it contain?\u003c\/h3\u003e\n\u003cp\u003eIt contains L-ascorbic acid, the pure and biologically active form of vitamin C used for antioxidant protection, brightening and visible age support.\u003c\/p\u003e\n\u003ch3\u003eDoes Professional-C Serum 20% contain hyaluronic acid?\u003c\/h3\u003e\n\u003cp\u003eYes. The formulation contains sodium hyaluronate, a moisture-binding form of hyaluronic acid that supports hydration, smoothness and a visibly plumper complexion.\u003c\/p\u003e\n\u003ch3\u003eCan it help with dark spots?\u003c\/h3\u003e\n\u003cp\u003eProfessional-C Serum 20% is formulated to improve the appearance of dark spots, uneven pigmentation and dullness while promoting brighter, more even-looking skin.\u003c\/p\u003e\n\u003ch3\u003eCan it improve fine lines and wrinkles?\u003c\/h3\u003e\n\u003cp\u003eYes. Its concentrated L-ascorbic acid supports the biological processes associated with healthy collagen and helps improve the visible appearance of fine lines, wrinkles and reduced firmness.\u003c\/p\u003e\n\u003ch3\u003eIs Professional-C 20% suitable for oily skin?\u003c\/h3\u003e\n\u003cp\u003eYes. Obagi positions the 20% strength primarily for normal-to-oily and combination skin. Its lightweight, fast-absorbing texture makes it easy to incorporate without adding a heavy moisturising layer.\u003c\/p\u003e\n\u003ch3\u003eCan it be used every day?\u003c\/h3\u003e\n\u003cp\u003eYes. Professional-C Serum 20% is developed as a daily antioxidant treatment. Those progressing from a lower concentration can introduce it gradually before moving to consistent daily application.\u003c\/p\u003e\n\u003ch3\u003eCan I use it with retinol?\u003c\/h3\u003e\n\u003cp\u003eVitamin C and retinol can form complementary parts of an advanced skincare programme. Professional-C Serum is commonly used in the morning, with retinol reserved for the evening.\u003c\/p\u003e\n\u003ch3\u003eDoes vitamin C replace sunscreen?\u003c\/h3\u003e\n\u003cp\u003eNo. Use Professional-C Serum beneath a separate broad-spectrum sunscreen to combine antioxidant support with ultraviolet protection.\u003c\/p\u003e\n\u003ch3\u003eWhy might the serum tingle?\u003c\/h3\u003e\n\u003cp\u003eA brief tingling sensation can occur with concentrated L-ascorbic acid, particularly when moving from a lower vitamin C strength. Severe or persistent discomfort is a reason to stop application and seek appropriate advice.\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Obagi Professional-C® Serum 20%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 30ml\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin C:\u003c\/strong\u003e 20% L-ascorbic acid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional key ingredient:\u003c\/strong\u003e Sodium hyaluronate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Lightweight antioxidant facial serum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkin types:\u003c\/strong\u003e Normal-to-oily and combination skin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Once daily, preferably in the morning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary concerns:\u003c\/strong\u003e Dark spots, dullness, uneven tone, fine lines, wrinkles and environmental ageing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\u003cp\u003eFor external use only. Avoid direct contact with the eyes, nose, mouth and lips. A temporary mild tingling sensation can occur. Discontinue use and seek appropriate advice if tingling becomes severe or irritation persists.\u003c\/p\u003e\n\u003cp\u003eProduct formulations and ingredient declarations can be updated. Always check the ingredient list printed on the product supplied before use, particularly if you have known allergies or sensitivities.\u003c\/p\u003e\n\u003cdetails style=\"margin-top: 28px; border-top: 1px solid #dedede; border-bottom: 1px solid #dedede; padding: 14px 0;\" open=\"\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003eRelated vitamin C products and information\u003c\/summary\u003e\n\u003cdiv style=\"padding-top: 12px;\"\u003e\n\u003cul style=\"margin-bottom: 0;\"\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/oobagi-professional-c-serum-10-vs-15-vs-20-which-should-you-buy\"\u003eObagi Professional-C Serum 10%, 15% and 20% guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/obagi-professional-c-serum-10\"\u003eObagi Professional-C Serum 10%\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/obagi-professional-c-serum-15\"\u003eObagi Professional-C Serum 15%\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/how-to-layer-skincare-products-the-complete-order-guide\"\u003eHow to layer serums, moisturiser and sunscreen\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/obagi-medical\"\u003eExplore the Obagi Medical skincare range\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003ch3\u003eSources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/11207686\/\" target=\"_blank\" rel=\"noopener\"\u003ePinnell et al. 2001, Topical L-ascorbic acid: percutaneous absorption studies, Dermatol Surg (PubMed 11207686)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.obagi.com\/products\/professional-c-serum-20\" target=\"_blank\" rel=\"noopener\"\u003eObagi: Professional-C Serum 20% product page\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size:13px;color:#555;\"\u003eReviewed October 2026 by Skin by Science.\u003c\/p\u003e\n\u003cp class=\"sbs-xlink\"\u003e\u003ca href=\"\/collections\/hydroquinone\"\u003eStubborn dark spots? Find out about prescription pigmentation treatment →\u003c\/a\u003e\u003c\/p\u003e","brand":"Obagi Medical","offers":[{"title":"Default Title","offer_id":49943834853723,"sku":"00029","price":152.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9338\/4027\/files\/ObagiProfessionalC20.webp?v=1747838359"},{"product_id":"obagi-professional-c-serum-15","title":"OBAGI - Professional-C® Serum 15%","description":"\u003ch2\u003eObagi Professional-C Serum 15%: High-Performance Daily Vitamin C\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eObagi Professional-C® Serum 15%\u003c\/strong\u003e is a concentrated antioxidant facial serum formulated with \u003cstrong\u003e15% pure L-ascorbic acid\u003c\/strong\u003e. It helps brighten and even the complexion, reinforce antioxidant defences and improve the appearance of fine lines and wrinkles.\u003c\/p\u003e\n\n\u003cp\u003ePositioned between the introductory 10% serum and maximum-strength 20% formulation, Professional-C 15% provides a powerful and versatile daily vitamin C treatment for normal-to-combination skin. It is particularly suited to established vitamin C users seeking more intensive brightening, smoothing and environmental protection without moving directly to the highest concentration.\u003c\/p\u003e\n\n\u003cp\u003eThe fast-absorbing formula delivers active vitamin C directly within a lightweight serum step, making it easy to layer beneath moisturiser, sunscreen and makeup.\u003c\/p\u003e\n\n\u003ch2\u003eWhat Does Obagi Professional-C Serum 15% Do?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eProvides a concentrated 15% level of pure L-ascorbic acid.\u003c\/li\u003e\n  \u003cli\u003eBrightens dull, tired and lacklustre skin.\u003c\/li\u003e\n  \u003cli\u003ePromotes a clearer and more even-looking complexion.\u003c\/li\u003e\n  \u003cli\u003eHelps improve the appearance of dark spots and visible discolouration.\u003c\/li\u003e\n  \u003cli\u003eSmooths the appearance of fine lines and wrinkles.\u003c\/li\u003e\n  \u003cli\u003eSupports firmer and more youthful-looking skin.\u003c\/li\u003e\n  \u003cli\u003eHelps neutralise environmentally generated free radicals.\u003c\/li\u003e\n  \u003cli\u003eStrengthens the skin’s daily antioxidant defences.\u003c\/li\u003e\n  \u003cli\u003eAbsorbs quickly without leaving a heavy finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e15% Pure L-Ascorbic Acid\u003c\/h2\u003e\n\n\u003cp\u003eL-ascorbic acid is the pure and biologically active form of vitamin C. It is recognised for its ability to combine antioxidant protection, visible brightening and support against several signs of skin ageing within one ingredient.\u003c\/p\u003e\n\n\u003cp\u003eAt a 15% concentration, Professional-C Serum delivers a substantial daily dose of L-ascorbic acid while retaining a versatile position within the three-strength Obagi range.\u003c\/p\u003e\n\n\u003ch3\u003eAntioxidant Protection\u003c\/h3\u003e\n\n\u003cp\u003eUltraviolet exposure, pollution and other environmental influences can generate free radicals that contribute to dullness, uneven tone, fine lines and reduced skin resilience.\u003c\/p\u003e\n\n\u003cp\u003eProfessional-C Serum 15% helps neutralise free radicals and strengthen the complexion’s antioxidant defences. This makes it especially valuable as part of a morning routine designed to protect the visible quality of the skin throughout the day.\u003c\/p\u003e\n\n\u003ch3\u003eBrighter, More Even-Looking Tone\u003c\/h3\u003e\n\n\u003cp\u003ePure vitamin C helps improve the appearance of dullness, dark spots and uneven pigmentation. With consistent use, Professional-C 15% supports a brighter, clearer and more luminous-looking complexion.\u003c\/p\u003e\n\n\u003cp\u003eThe concentrated formula is particularly relevant where environmental exposure, accumulated sun damage or natural ageing has reduced the skin’s radiance and uniformity.\u003c\/p\u003e\n\n\u003ch3\u003eFine Lines, Wrinkles and Firmness\u003c\/h3\u003e\n\n\u003cp\u003eL-ascorbic acid supports the biological processes associated with healthy collagen. Professional-C Serum 15% helps improve the visible appearance of fine lines, wrinkles, firmness and surface smoothness while supporting a more youthful-looking complexion.\u003c\/p\u003e\n\n\u003ch2\u003eThe Versatile Strength in the Professional-C Range\u003c\/h2\u003e\n\n\u003cp\u003eProfessional-C 15% occupies the central position within Obagi’s three-strength vitamin C system. It offers more concentrated L-ascorbic acid than the 10% introductory formula while remaining a versatile choice for normal-to-combination skin.\u003c\/p\u003e\n\n\u003cp\u003eThis makes it particularly appropriate for:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eEstablished users of vitamin C skincare.\u003c\/li\u003e\n  \u003cli\u003eNormal and combination skin types.\u003c\/li\u003e\n  \u003cli\u003eSkin requiring stronger brightening and antioxidant support.\u003c\/li\u003e\n  \u003cli\u003eVisible dullness and uneven-looking tone.\u003c\/li\u003e\n  \u003cli\u003eFine lines and early-to-moderate signs of photo-ageing.\u003c\/li\u003e\n  \u003cli\u003eUsers progressing from a lower vitamin C concentration.\u003c\/li\u003e\n  \u003cli\u003eAnyone seeking a high-performance daily serum below the maximum 20% strength.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChoosing Between Professional-C 10%, 15% and 20%\u003c\/h2\u003e\n\n\u003cp\u003eEach Professional-C concentration has a clearly defined position:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/obagi-professional-c-serum-10\"\u003e\u003cstrong\u003eObagi Professional-C Serum 10%\u003c\/strong\u003e\u003c\/a\u003e is the introductory strength for dry, sensitive or vitamin C-naive skin.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eObagi Professional-C Serum 15%\u003c\/strong\u003e is the versatile intermediate strength for normal-to-combination skin and established users.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/obagi-professional-c-20-serum\"\u003e\u003cstrong\u003eObagi Professional-C Serum 20%\u003c\/strong\u003e\u003c\/a\u003e is the maximum-strength formulation for normal-to-oily, combination and experienced skin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe 15% serum is an excellent central option when the objective is concentrated brightening, antioxidant defence and visible age support within a balanced everyday formula.\u003c\/p\u003e\n\n\u003cp\u003eRead our complete \u003ca href=\"\/blogs\/news\/oobagi-professional-c-serum-10-vs-15-vs-20-which-should-you-buy\"\u003eObagi Professional-C Serum 10%, 15% and 20% guide\u003c\/a\u003e for a detailed explanation of the three strengths.\u003c\/p\u003e\n\n\u003ch2\u003eHow to Use Obagi Professional-C Serum 15%\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003eCleanse and tone the face.\u003c\/li\u003e\n  \u003cli\u003eAllow the skin to dry before applying the serum.\u003c\/li\u003e\n  \u003cli\u003eDispense approximately five to seven drops onto the fingertips.\u003c\/li\u003e\n  \u003cli\u003eApply evenly across the face, neck and upper chest.\u003c\/li\u003e\n  \u003cli\u003eAllow the serum to absorb before applying additional skincare.\u003c\/li\u003e\n  \u003cli\u003eFollow with moisturiser where required.\u003c\/li\u003e\n  \u003cli\u003eComplete the morning routine with broad-spectrum sunscreen.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eUse once daily, preferably in the morning. Anyone moving from the 10% concentration can introduce the 15% serum progressively before establishing consistent daily application.\u003c\/p\u003e\n\n\u003ch2\u003eBuilding an Obagi Morning Routine\u003c\/h2\u003e\n\n\u003cp\u003eProfessional-C Serum 15% should be applied after cleansing and toning but before heavier serums, moisturiser and SPF.\u003c\/p\u003e\n\n\u003cp\u003eA complete morning order may include:\u003c\/p\u003e\n\n\u003col\u003e\n  \u003cli\u003eObagi cleanser.\u003c\/li\u003e\n  \u003cli\u003eObagi toner, when used.\u003c\/li\u003e\n  \u003cli\u003eProfessional-C Serum 15%.\u003c\/li\u003e\n  \u003cli\u003eAdditional targeted serum, when required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/obagi-hydrate-facial-moisturiser-48g\"\u003eObagi Hydrate Facial Moisturiser\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003eBroad-spectrum sunscreen.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eWhere dehydration accompanies dullness or uneven tone, \u003ca href=\"\/products\/obagi-daily-hydro-drops-facial-serum-30ml\"\u003eObagi Daily Hydro-Drops Facial Serum\u003c\/a\u003e can be layered after Professional-C Serum has absorbed. This combines concentrated antioxidant support with a dedicated hydration step.\u003c\/p\u003e\n\n\u003ch2\u003eProfessional-C Serum and Daily Sunscreen\u003c\/h2\u003e\n\n\u003cp\u003eVitamin C and sunscreen create complementary daytime protection. Professional-C Serum helps neutralise free radicals generated by environmental exposure, while sunscreen provides a separate layer of ultraviolet protection.\u003c\/p\u003e\n\n\u003cp\u003eUsing Professional-C Serum 15% beneath broad-spectrum SPF supports a more comprehensive morning strategy for brightness, even tone and the visible effects of photo-ageing.\u003c\/p\u003e\n\n\u003ch2\u003eUsing Professional-C Serum with Retinol\u003c\/h2\u003e\n\n\u003cp\u003eVitamin C and retinol can be used within the same overall skincare programme because they perform complementary roles.\u003c\/p\u003e\n\n\u003cp\u003eA straightforward routine places Professional-C Serum 15% in the morning and retinol in the evening. This gives the vitamin C serum a clear daytime antioxidant role while reserving the evening routine for vitamin A and renewal-focused skincare.\u003c\/p\u003e\n\n\u003ch2\u003eFormula Stability and Storage\u003c\/h2\u003e\n\n\u003cp\u003ePure L-ascorbic acid is naturally sensitive to prolonged exposure to heat, light and air. Correct storage helps maintain the condition of the serum after opening.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eKeep the cap tightly closed between applications.\u003c\/li\u003e\n  \u003cli\u003eStore the bottle in a cool, dark and dry location.\u003c\/li\u003e\n  \u003cli\u003eKeep it away from direct sunlight and excessive heat.\u003c\/li\u003e\n  \u003cli\u003eAvoid touching the dropper directly to the face.\u003c\/li\u003e\n  \u003cli\u003eUse the serum within three to six months of opening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eObagi vitamin C serums can naturally range from clear to amber because of the character of the antioxidant formula.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat percentage of vitamin C is in Professional-C Serum 15%?\u003c\/h3\u003e\n\n\u003cp\u003eIt contains 15% L-ascorbic acid, the pure and biologically active form of vitamin C used for antioxidant protection, visible brightening and age-supporting skincare.\u003c\/p\u003e\n\n\u003ch3\u003eWho should use Obagi Professional-C 15%?\u003c\/h3\u003e\n\n\u003cp\u003eIt is particularly suited to normal-to-combination skin, established vitamin C users and people seeking concentrated support for dullness, uneven tone, dark spots, fine lines and environmental ageing.\u003c\/p\u003e\n\n\u003ch3\u003eIs Professional-C 15% stronger than the 10% serum?\u003c\/h3\u003e\n\n\u003cp\u003eYes. It contains a higher concentration of L-ascorbic acid and provides the intermediate strength within the range. It is a natural progression for users who have established good tolerance to Professional-C 10%.\u003c\/p\u003e\n\n\u003ch3\u003eShould I choose Professional-C 15% or 20%?\u003c\/h3\u003e\n\n\u003cp\u003eProfessional-C 15% is the versatile intermediate strength for normal-to-combination skin. Professional-C 20% provides Obagi’s maximum L-ascorbic acid concentration and is positioned primarily for normal-to-oily, combination and experienced skin.\u003c\/p\u003e\n\n\u003ch3\u003eCan Professional-C 15% help with dark spots?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Pure L-ascorbic acid helps improve the appearance of dark spots, uneven pigmentation and dullness while promoting a clearer and more luminous-looking complexion.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it help with fine lines and wrinkles?\u003c\/h3\u003e\n\n\u003cp\u003eYes. L-ascorbic acid supports the biological processes associated with healthy collagen, helping improve the visible appearance of fine lines, wrinkles, firmness and skin smoothness.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use it every day?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Professional-C Serum 15% is formulated as a daily antioxidant treatment. Users moving from a lower concentration can build towards consistent daily application.\u003c\/p\u003e\n\n\u003ch3\u003eIs it better to use vitamin C in the morning?\u003c\/h3\u003e\n\n\u003cp\u003eMorning use allows its antioxidant activity to complement sunscreen and support the skin against environmental exposure throughout the day.\u003c\/p\u003e\n\n\u003ch3\u003eCan it be worn underneath makeup?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Its lightweight, fast-absorbing consistency layers readily beneath moisturiser, sunscreen and makeup.\u003c\/p\u003e\n\n\u003ch3\u003eWhy can vitamin C serum tingle?\u003c\/h3\u003e\n\n\u003cp\u003eA brief tingling sensation can occur when applying concentrated L-ascorbic acid, especially when first moving to a stronger formulation. Severe or persistent discomfort is a reason to discontinue application and seek appropriate advice.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Obagi Professional-C® Serum 15%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 30ml\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVitamin C:\u003c\/strong\u003e 15% L-ascorbic acid\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Lightweight antioxidant facial serum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSkin types:\u003c\/strong\u003e Normal-to-combination skin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Once daily, preferably in the morning\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary concerns:\u003c\/strong\u003e Dullness, dark spots, uneven tone, fine lines, wrinkles and environmental ageing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\n\u003cp\u003eFor external use only. Avoid direct contact with the eyes, nose, mouth and lips. A temporary mild tingling sensation can occur. Discontinue use and seek appropriate advice if tingling becomes severe or irritation persists.\u003c\/p\u003e\n\n\u003cp\u003eProduct formulations and ingredient declarations can be updated. Always check the ingredient list printed on the product supplied before use, particularly if you have known allergies or sensitivities.\u003c\/p\u003e\n\n\u003cdetails style=\"margin-top: 28px; border-top: 1px solid #dedede; border-bottom: 1px solid #dedede; padding: 14px 0;\"\u003e\n  \u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003eRelated vitamin C products and information\u003c\/summary\u003e\n  \u003cdiv style=\"padding-top: 12px;\"\u003e\n    \u003cul style=\"margin-bottom: 0;\"\u003e\n      \u003cli\u003e\u003ca href=\"\/blogs\/news\/oobagi-professional-c-serum-10-vs-15-vs-20-which-should-you-buy\"\u003eObagi Professional-C Serum 10%, 15% and 20% guide\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/products\/obagi-professional-c-serum-10\"\u003eObagi Professional-C Serum 10%\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/products\/obagi-professional-c-20-serum\"\u003eObagi Professional-C Serum 20%\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/blogs\/news\/how-to-layer-skincare-products-the-complete-order-guide\"\u003eHow to layer serums, moisturiser and sunscreen\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/collections\/obagi-medical\"\u003eExplore the Obagi Medical skincare range\u003c\/a\u003e\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003cp class=\"sbs-xlink\"\u003e\u003ca href=\"\/collections\/hydroquinone\"\u003eStubborn dark spots? Find out about prescription pigmentation treatment →\u003c\/a\u003e\u003c\/p\u003e","brand":"Obagi Medical","offers":[{"title":"Default Title","offer_id":50617202049371,"sku":null,"price":125.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9338\/4027\/files\/ObagiProfessionalC151.webp?v=1747840316"},{"product_id":"obagi-professional-c-serum-10","title":"OBAGI - Professional-C® Serum 10%","description":"\u003ch2\u003eObagi Professional-C Serum 10%: Pure Vitamin C for Brighter, Smoother Skin\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eObagi Professional-C® Serum 10%\u003c\/strong\u003e is a concentrated daily antioxidant serum formulated with 10% pure L-ascorbic acid, the most biologically active form of vitamin C used in skincare.\u003c\/p\u003e\n\n\u003cp\u003eDeveloped as the introductory strength within Obagi’s Professional-C range, it delivers advanced antioxidant, brightening and visible age-defying benefits in a concentration particularly suited to dry, sensitive or vitamin C-naive skin.\u003c\/p\u003e\n\n\u003cp\u003eThe lightweight formula absorbs rapidly and helps defend the complexion against free radicals generated by ultraviolet exposure and environmental stress. With consistent use, it promotes brighter, smoother and more even-looking skin while improving the appearance of fine lines and wrinkles.\u003c\/p\u003e\n\n\u003ch2\u003eWhat Does Obagi Professional-C Serum 10% Do?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBrightens dull and tired-looking skin.\u003c\/li\u003e\n  \u003cli\u003ePromotes a more even-looking complexion.\u003c\/li\u003e\n  \u003cli\u003eHelps improve the appearance of fine lines and wrinkles.\u003c\/li\u003e\n  \u003cli\u003eSupports visibly firmer, smoother-looking skin.\u003c\/li\u003e\n  \u003cli\u003eProvides daily antioxidant protection against environmental free radicals.\u003c\/li\u003e\n  \u003cli\u003eHelps reduce the visible effects of photo-ageing.\u003c\/li\u003e\n  \u003cli\u003eUses pure L-ascorbic acid in a lightweight, fast-absorbing serum.\u003c\/li\u003e\n  \u003cli\u003eProvides an accessible starting concentration for new vitamin C users.\u003c\/li\u003e\n  \u003cli\u003eIs particularly well suited to normal-to-dry and sensitive skin types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e10% Pure L-Ascorbic Acid\u003c\/h2\u003e\n\n\u003cp\u003eL-ascorbic acid is the pure, active form of vitamin C. It is widely used in advanced skincare because it performs several complementary functions within one ingredient.\u003c\/p\u003e\n\n\u003ch3\u003eAntioxidant Defence\u003c\/h3\u003e\n\n\u003cp\u003eEnvironmental exposure can generate free radicals that contribute to visible skin ageing, dullness, uneven tone and loss of resilience. L-ascorbic acid helps neutralise these reactive molecules, strengthening the skin’s daily antioxidant defence.\u003c\/p\u003e\n\n\u003ch3\u003eBrighter, More Even-Looking Skin\u003c\/h3\u003e\n\n\u003cp\u003eVitamin C helps improve the appearance of dullness, discolouration and uneven tone. Regular use supports a clearer, more luminous complexion and can help minimise the visible effects of accumulated sun exposure.\u003c\/p\u003e\n\n\u003ch3\u003eFine Lines and Firmness\u003c\/h3\u003e\n\n\u003cp\u003eL-ascorbic acid supports the biological processes associated with healthy collagen. Within a consistent skincare routine, Obagi Professional-C Serum 10% helps improve the appearance of fine lines, wrinkles, firmness and overall skin smoothness.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Start with the 10% Strength?\u003c\/h2\u003e\n\n\u003cp\u003eObagi produces Professional-C Serum in three concentrations so that vitamin C can be matched more closely to skin type, tolerance and experience.\u003c\/p\u003e\n\n\u003cp\u003eThe 10% formulation provides meaningful antioxidant and brightening activity while offering the most accessible introduction to pure L-ascorbic acid within the range. It is particularly relevant for:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFirst-time users of concentrated vitamin C.\u003c\/li\u003e\n  \u003cli\u003eDry or sensitive skin.\u003c\/li\u003e\n  \u003cli\u003eSkin showing early signs of environmental ageing.\u003c\/li\u003e\n  \u003cli\u003eDullness and mild uneven-looking tone.\u003c\/li\u003e\n  \u003cli\u003eAnyone seeking daily antioxidant protection in a lower-strength formula.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eUsers who are already comfortable with pure vitamin C may consider \u003ca href=\"\/products\/obagi-professional-c-serum-15\"\u003eObagi Professional-C Serum 15%\u003c\/a\u003e. The maximum concentration in the range is \u003ca href=\"\/products\/obagi-professional-c-20-serum\"\u003eObagi Professional-C Serum 20%\u003c\/a\u003e, developed for experienced users and normal-to-oily skin.\u003c\/p\u003e\n\n\u003cp\u003eRead our complete \u003ca href=\"\/blogs\/news\/oobagi-professional-c-serum-10-vs-15-vs-20-which-should-you-buy\"\u003eObagi Professional-C 10% vs 15% vs 20% strength guide\u003c\/a\u003e for a detailed explanation of the three formulations.\u003c\/p\u003e\n\n\u003ch2\u003eWho Is Obagi Professional-C 10% For?\u003c\/h2\u003e\n\n\u003cp\u003eThis serum is particularly suited to adults concerned about:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDull or tired-looking skin.\u003c\/li\u003e\n  \u003cli\u003eEarly fine lines and wrinkles.\u003c\/li\u003e\n  \u003cli\u003eUneven-looking skin tone.\u003c\/li\u003e\n  \u003cli\u003eVisible effects of sun and environmental exposure.\u003c\/li\u003e\n  \u003cli\u003eLoss of brightness or radiance.\u003c\/li\u003e\n  \u003cli\u003eDryness combined with early signs of ageing.\u003c\/li\u003e\n  \u003cli\u003eSensitivity to stronger vitamin C concentrations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIts 10% concentration makes it a strong entry point for people who want the recognised benefits of pure L-ascorbic acid without beginning with the highest-strength formulation.\u003c\/p\u003e\n\n\u003ch2\u003eHow to Use Obagi Professional-C Serum 10%\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003eCleanse the face and allow the skin to dry.\u003c\/li\u003e\n  \u003cli\u003eApply approximately five to seven drops to the face, neck and upper chest.\u003c\/li\u003e\n  \u003cli\u003eGently press or smooth the serum into the skin.\u003c\/li\u003e\n  \u003cli\u003eAllow it to absorb before applying additional serums or moisturiser.\u003c\/li\u003e\n  \u003cli\u003eUse once daily, preferably as part of the morning routine.\u003c\/li\u003e\n  \u003cli\u003eComplete the routine with broad-spectrum sunscreen.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eA brief tingling sensation can occur when introducing pure L-ascorbic acid. Introduce the serum gradually if your skin is particularly sensitive and adjust the frequency according to tolerance.\u003c\/p\u003e\n\n\u003ch2\u003eHow to Build an Obagi Vitamin C Routine\u003c\/h2\u003e\n\n\u003cp\u003eProfessional-C Serum 10% should normally be applied after cleansing and toning but before heavier creams and sunscreen.\u003c\/p\u003e\n\n\u003cp\u003eFor additional hydration, it can be followed with \u003ca href=\"\/products\/obagi-daily-hydro-drops-facial-serum-30ml\"\u003eObagi Daily Hydro-Drops Facial Serum\u003c\/a\u003e. Dry skin may also benefit from applying \u003ca href=\"\/products\/obagi-hydrate-facial-moisturiser-48g\"\u003eObagi Hydrate Facial Moisturiser\u003c\/a\u003e before completing the morning routine with broad-spectrum SPF.\u003c\/p\u003e\n\n\u003cp\u003eA simple morning order is:\u003c\/p\u003e\n\n\u003col\u003e\n  \u003cli\u003eCleanser.\u003c\/li\u003e\n  \u003cli\u003eToner, when used.\u003c\/li\u003e\n  \u003cli\u003eObagi Professional-C Serum 10%.\u003c\/li\u003e\n  \u003cli\u003eAdditional targeted serum, when required.\u003c\/li\u003e\n  \u003cli\u003eMoisturiser.\u003c\/li\u003e\n  \u003cli\u003eBroad-spectrum sunscreen.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eVitamin C and Daily Sun Protection\u003c\/h2\u003e\n\n\u003cp\u003eVitamin C and sunscreen have complementary roles. Professional-C Serum supplies antioxidant support against environmental free radicals, while sunscreen helps reduce exposure to ultraviolet radiation.\u003c\/p\u003e\n\n\u003cp\u003eUsing both within the morning routine provides a more comprehensive approach to the visible effects of photo-ageing than relying on either step alone.\u003c\/p\u003e\n\n\u003ch2\u003eTexture, Colour and Storage\u003c\/h2\u003e\n\n\u003cp\u003ePure vitamin C is naturally sensitive to heat, light and air. Correct storage helps preserve the condition of the formula after opening.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eKeep the bottle tightly closed when it is not being used.\u003c\/li\u003e\n  \u003cli\u003eStore it in a cool, dark and dry location.\u003c\/li\u003e\n  \u003cli\u003eAvoid leaving it in direct sunlight or excessive heat.\u003c\/li\u003e\n  \u003cli\u003eUse the serum within the period stated on the supplied packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVitamin C serums can vary naturally from clear to light amber. A substantial change to a very dark brown colour, accompanied by a noticeable alteration in texture or scent, can indicate significant oxidation.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat percentage of vitamin C is in Obagi Professional-C Serum 10%?\u003c\/h3\u003e\n\n\u003cp\u003eIt contains 10% L-ascorbic acid, the pure and biologically active form of vitamin C used for antioxidant protection, visible brightening and support against signs of skin ageing.\u003c\/p\u003e\n\n\u003ch3\u003eIs Obagi Professional-C 10% suitable for sensitive skin?\u003c\/h3\u003e\n\n\u003cp\u003eIt is the most accessible concentration in the Professional-C range and is specifically positioned for dry, sensitive or first-time vitamin C users. Individual tolerance can still vary, so particularly reactive skin may benefit from gradual introduction.\u003c\/p\u003e\n\n\u003ch3\u003eIs 10% vitamin C strong enough to be effective?\u003c\/h3\u003e\n\n\u003cp\u003eYes. This is a concentrated pure L-ascorbic acid serum developed to provide meaningful antioxidant, brightening and visible age-defying benefits. The appropriate concentration depends on skin type and tolerance rather than simply choosing the largest percentage.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the difference between Professional-C 10%, 15% and 20%?\u003c\/h3\u003e\n\n\u003cp\u003eThe principal difference is the L-ascorbic acid concentration and the skin profiles for which each formulation is designed:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10%:\u003c\/strong\u003e dry, sensitive or first-time vitamin C users.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e15%:\u003c\/strong\u003e normal-to-combination skin and established vitamin C users.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20%:\u003c\/strong\u003e normal-to-oily skin and experienced users seeking the maximum concentration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShould I use it in the morning or evening?\u003c\/h3\u003e\n\n\u003cp\u003eProfessional-C Serum is particularly valuable in the morning because its antioxidant activity complements daytime sun protection. It may also be used according to a professionally designed evening routine.\u003c\/p\u003e\n\n\u003ch3\u003eCan Professional-C Serum be used every day?\u003c\/h3\u003e\n\n\u003cp\u003eYes. The formula is developed for daily application. New users can introduce it gradually before progressing to consistent daily use.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use it with retinol?\u003c\/h3\u003e\n\n\u003cp\u003eVitamin C and retinol can be incorporated into the same overall skincare programme. A common approach is to use Professional-C Serum in the morning and retinol during the evening, allowing each active to occupy a clearly defined routine step.\u003c\/p\u003e\n\n\u003ch3\u003eCan it be used underneath makeup?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Its lightweight texture is designed to absorb rapidly, making it suitable beneath moisturiser, sunscreen and makeup.\u003c\/p\u003e\n\n\u003ch3\u003eHow long does a 30ml bottle last?\u003c\/h3\u003e\n\n\u003cp\u003eUsage varies, but a 30ml bottle generally provides several months of daily application when the recommended five-to-seven-drop quantity is used.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Obagi Professional-C® Serum 10%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 30ml\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVitamin C:\u003c\/strong\u003e 10% L-ascorbic acid\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Lightweight antioxidant serum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Once daily\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e Dry, sensitive or vitamin C-naive skin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary concerns:\u003c\/strong\u003e Dullness, uneven-looking tone, fine lines and environmental ageing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\n\u003cp\u003eFor external use only. Avoid direct contact with the eyes, nose, mouth and lips. Discontinue use and seek appropriate advice if severe or persistent irritation occurs.\u003c\/p\u003e\n\n\u003cp\u003eIngredient declarations and packaging can be updated. Check the ingredient list printed on the product supplied before use, particularly if you have known allergies or sensitivities.\u003c\/p\u003e\n\n\u003cdetails style=\"margin-top: 28px; border-top: 1px solid #dedede; border-bottom: 1px solid #dedede; padding: 14px 0;\"\u003e\n  \u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003eRelated vitamin C products and information\u003c\/summary\u003e\n  \u003cdiv style=\"padding-top: 12px;\"\u003e\n    \u003cul style=\"margin-bottom: 0;\"\u003e\n      \u003cli\u003e\u003ca href=\"\/blogs\/news\/oobagi-professional-c-serum-10-vs-15-vs-20-which-should-you-buy\"\u003eObagi Professional-C Serum 10%, 15% and 20% guide\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/products\/obagi-professional-c-serum-15\"\u003eObagi Professional-C Serum 15%\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/products\/obagi-professional-c-20-serum\"\u003eObagi Professional-C Serum 20%\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/products\/obagi-daily-hydro-drops-facial-serum-30ml\"\u003eObagi Daily Hydro-Drops Facial Serum\u003c\/a\u003e\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003cp class=\"sbs-xlink\"\u003e\u003ca href=\"\/collections\/hydroquinone\"\u003eStubborn dark spots? Find out about prescription pigmentation treatment →\u003c\/a\u003e\u003c\/p\u003e","brand":"Obagi Medical","offers":[{"title":"Default Title","offer_id":50617607455067,"sku":"","price":103.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9338\/4027\/files\/ObagiProfessionalC10_54752422-665c-4b6f-a663-da664283ba08.webp?v=1747843848"},{"product_id":"obagi-c®-fx-clarifying-serum","title":"OBAGI - C® Fx Clarifying Serum","description":"\u003ch2\u003eBrighten, Even, and Renew Naturally\u003c\/h2\u003e\u003ch3\u003ePotent Skin Brightening Without Hydroquinone for a Healthier Glow\u003c\/h3\u003e\u003cp\u003eReveal a more luminous and even-toned complexion with Obagi-C® Fx Clarifying Serum — a powerful, hydroquinone-free brightening solution designed to visibly reduce dark spots, melasma, and discolouration. This advanced antioxidant serum is infused with \u003cstrong\u003e10% L-Ascorbic Acid (Vitamin C)\u003c\/strong\u003e and \u003cstrong\u003eArbutin\u003c\/strong\u003e, a natural skin-lightening agent that works to correct uneven skin tone while protecting against environmental stressors. Ideal for those seeking a gentler alternative to traditional brightening treatments, Obagi-C® Fx Clarifying Serum helps refine skin clarity, texture, and radiance over time.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhy You’ll Love It\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrightens Discolouration Safely\u003c\/strong\u003e\u003cbr\u003eFormulated with Arbutin, a natural ingredient known to help inhibit melanin production, this serum gently fades sun spots, melasma, and age-related pigmentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInfused with Potent Vitamin C\u003c\/strong\u003e\u003cbr\u003e10% L-Ascorbic Acid helps neutralise free radicals, boost collagen production, and improve overall skin tone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroquinone-Free Formula\u003c\/strong\u003e\u003cbr\u003ePerfect for sensitive skin or those looking to avoid hydroquinone — this gentle yet effective formulation supports a more even, radiant complexion without irritation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves Skin Texture \u0026amp; Glow\u003c\/strong\u003e\u003cbr\u003eWith daily use, expect smoother skin, refined texture, and a healthier, more youthful-looking glow.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eHow to Apply\u003c\/h2\u003e\u003cp\u003eUse daily in the morning. After cleansing and toning, apply 5–7 drops to the face, neck, and décolleté using your fingertips. Follow with moisturiser and broad-spectrum sunscreen for optimal protection and results.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Ingredients\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArbutin (4%)\u003c\/strong\u003e — A plant-derived skin brightener that helps reduce the look of hyperpigmentation and uneven tone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL-Ascorbic Acid (10%)\u003c\/strong\u003e — A highly effective form of Vitamin C that supports skin renewal, boosts collagen, and fights oxidative damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePropanediol \u0026amp; Glycerin\u003c\/strong\u003e — Hydrate and help increase ingredient penetration for more visible results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSodium Hyaluronate\u003c\/strong\u003e — Offers deep hydration, smoothing fine lines and keeping skin plump and refreshed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eBest Suited For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThose with sun damage, dark spots, melasma, or dullness\u003c\/li\u003e\n\u003cli\u003eIndividuals seeking a hydroquinone-free skin brightening option\u003c\/li\u003e\n\u003cli\u003eAll skin types, including sensitive or dry skin\u003c\/li\u003e\n\u003cli\u003eDaily antioxidant defence and anti-ageing support\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eExpert Tip\u003c\/h2\u003e\u003cp\u003eFor maximum brightening benefits, pair with a full Obagi-C® Fx system and always wear sunscreen during the day to prevent future discolouration and maintain your results.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the difference between Obagi-C Fx and Obagi-C Rx Clarifying Serum?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eObagi-C Fx uses arbutin as its brightening agent and is available without a prescription. Obagi-C Rx contains 4% hydroquinone and requires a prescription. Fx is a gentler, long-term option; Rx is typically recommended for more stubborn pigmentation under clinical supervision.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs Obagi-C Fx Clarifying Serum suitable for sensitive skin?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes — the hydroquinone-free formula with arbutin is well-tolerated by most skin types, including sensitive skin. It is designed for safe, long-term daily use.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan I use this serum morning and night?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is recommended for morning use. Apply after cleansing and toning, then follow with moisturiser and broad-spectrum SPF. Your skincare professional may advise on evening use.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow long does it take to see results?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eWith consistent daily use, most users notice visible improvements in skin tone and brightness within 4–8 weeks. Continued improvement develops over 8–12 weeks.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDo I need a prescription for Obagi-C Fx Clarifying Serum?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo — unlike the Rx version, Obagi-C Fx is a non-prescription formula available for purchase without a clinical consultation.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Obagi Medical","offers":[{"title":"Default Title","offer_id":50628992336219,"sku":"","price":125.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9338\/4027\/files\/Obagi-C_FxClarifyingSerum1.webp?v=1748017166"},{"product_id":"jan-marini-c-esta-face-serum","title":"Jan Marini - C-ESTA Face Serum","description":"\u003ch2\u003eJan Marini C-ESTA Face Serum: Lipid-Soluble Vitamin C and DMAE\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eJan Marini C-ESTA® Face Serum\u003c\/strong\u003e is an award-winning, professional-grade antioxidant treatment combining \u003cstrong\u003elipid-soluble vitamin C, DMAE, hyaluronic acid and vitamins B5 and E\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDeveloped to visibly lift, firm, brighten and smooth the complexion, C-ESTA takes a distinctly different approach to conventional acidic vitamin C serums. Its lipid-soluble ascorbyl palmitate formula delivers advanced antioxidant benefits without relying on the low-pH environment required by traditional L-ascorbic acid products.\u003c\/p\u003e\n\u003cp\u003eThe result is a sophisticated daily serum that helps reduce the appearance of fine lines and wrinkles, improve uneven texture, enhance facial contours and defend the skin against free radicals generated by ultraviolet exposure and environmental stress.\u003c\/p\u003e\n\u003cp\u003eC-ESTA is suitable for dry, normal, combination and oily skin, making it one of the most versatile corrective serums within the Jan Marini SkinSolutions range.\u003c\/p\u003e\n\u003ch2\u003eWhat Does Jan Marini C-ESTA Face Serum Do?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHelps visibly firm and lift the complexion.\u003c\/li\u003e\n\u003cli\u003eImproves the appearance of fine lines and wrinkles.\u003c\/li\u003e\n\u003cli\u003ePromotes smoother, more refined-looking skin texture.\u003c\/li\u003e\n\u003cli\u003eBrightens dull and uneven-looking skin.\u003c\/li\u003e\n\u003cli\u003eSupports more defined and youthful-looking facial contours.\u003c\/li\u003e\n\u003cli\u003eProvides advanced antioxidant protection against environmental free radicals.\u003c\/li\u003e\n\u003cli\u003eCombines lipid-soluble vitamin C with DMAE for complementary firming benefits.\u003c\/li\u003e\n\u003cli\u003eUses hyaluronic acid to support hydration and visible smoothness.\u003c\/li\u003e\n\u003cli\u003eIs suitable for every principal skin type.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eA Different Kind of Professional Vitamin C Serum\u003c\/h2\u003e\n\u003cp\u003eMany vitamin C serums use water-soluble L-ascorbic acid and require a strongly acidic formulation. C-ESTA instead uses \u003cstrong\u003eascorbyl palmitate\u003c\/strong\u003e, a lipid-soluble vitamin C ester selected for stability, antioxidant performance and compatibility with the skin’s lipid environment.\u003c\/p\u003e\n\u003cp\u003eThis allows Jan Marini to combine vitamin C with DMAE, hyaluronic acid and additional antioxidant vitamins within one multi-functional formulation.\u003c\/p\u003e\n\u003cp\u003eRather than concentrating solely on brightness, C-ESTA targets four connected dimensions of visible skin quality:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirm:\u003c\/strong\u003e supports a tighter and more resilient-looking complexion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLift:\u003c\/strong\u003e enhances the appearance of facial tone and contour.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth:\u003c\/strong\u003e improves fine lines, wrinkles and uneven texture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect:\u003c\/strong\u003e helps defend against free radicals and environmental stress.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eAscorbyl Palmitate: Lipid-Soluble Vitamin C\u003c\/h2\u003e\n\u003cp\u003eAscorbyl palmitate combines vitamin C with a fatty-acid component, creating a lipid-soluble antioxidant. Within C-ESTA, it helps protect against oxidative stress while supporting brighter, smoother and more youthful-looking skin.\u003c\/p\u003e\n\u003cp\u003eIts lipid-soluble character allows C-ESTA to provide the established visible benefits associated with vitamin C through a formula that does not depend on the harsh acidity used by many traditional vitamin C serums.\u003c\/p\u003e\n\u003cp\u003eThese benefits include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAntioxidant defence against environmental free radicals.\u003c\/li\u003e\n\u003cli\u003eSupport for visibly firmer-looking skin.\u003c\/li\u003e\n\u003cli\u003eImprovement in dullness and uneven-looking tone.\u003c\/li\u003e\n\u003cli\u003eReduced appearance of fine lines and wrinkles.\u003c\/li\u003e\n\u003cli\u003eA healthier and more radiant-looking complexion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDMAE for Firmer, More Lifted-Looking Skin\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDMAE\u003c\/strong\u003e, or dimethylaminoethanol, is one of C-ESTA’s principal differentiating ingredients. It complements lipid-soluble vitamin C by helping improve the appearance of skin firmness, tone and facial contour.\u003c\/p\u003e\n\u003cp\u003eJan Marini uses DMAE to reinforce the serum’s lifting and firming profile. With consistent application, the combination helps the complexion appear smoother, tighter and more defined.\u003c\/p\u003e\n\u003cp\u003eThis makes C-ESTA especially relevant for skin showing:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReduced visible firmness.\u003c\/li\u003e\n\u003cli\u003eEarly or established facial laxity.\u003c\/li\u003e\n\u003cli\u003eFine lines and wrinkles.\u003c\/li\u003e\n\u003cli\u003eUneven surface texture.\u003c\/li\u003e\n\u003cli\u003eA loss of youthful-looking contour.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHyaluronic Acid for Hydration and Smoothness\u003c\/h2\u003e\n\u003cp\u003eC-ESTA also contains \u003cstrong\u003esodium hyaluronate\u003c\/strong\u003e, a moisture-binding form of hyaluronic acid. It supports skin hydration and helps create a smoother, more supple-looking surface.\u003c\/p\u003e\n\u003cp\u003eThis hydration component complements the firming effects of vitamin C and DMAE, allowing the serum to improve visible texture without functioning as a conventional acidic exfoliant.\u003c\/p\u003e\n\u003ch2\u003eVitamins B5 and E\u003c\/h2\u003e\n\u003ch3\u003eVitamin B5\u003c\/h3\u003e\n\u003cp\u003ePanthenol, also known as provitamin B5, supports moisture retention, softness and skin comfort. It strengthens the serum’s suitability for consistent morning and evening use.\u003c\/p\u003e\n\u003ch3\u003eVitamin E\u003c\/h3\u003e\n\u003cp\u003eTocopheryl acetate supplies additional antioxidant support and complements the activity of lipid-soluble vitamin C. Together, the two vitamins help defend the complexion against oxidative environmental stress.\u003c\/p\u003e\n\u003ch2\u003eAdditional Antioxidant Technology\u003c\/h2\u003e\n\u003cp\u003eThe formulation contains \u003cstrong\u003eergothioneine\u003c\/strong\u003e, a specialised antioxidant ingredient used to reinforce protection against free-radical activity. Zinc, acetyl tyrosine and vitamin B6 derivatives provide further support within the finished formula.\u003c\/p\u003e\n\u003cp\u003eThis multi-antioxidant design makes C-ESTA more than a single-ingredient vitamin C product. It is a comprehensive firming, brightening and environmental-defence serum.\u003c\/p\u003e\n\u003ch2\u003ePublished Clinical Evaluation\u003c\/h2\u003e\n\u003cp\u003eC-ESTA Face Serum has been evaluated in a split-face vitamin C study published in the \u003cem\u003eJournal of Drugs in Dermatology\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp\u003eThe study recorded:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eStatistically superior improvement in skin texture with C-ESTA Face Serum.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e79% of subjects preferred the feel and application of C-ESTA.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e82% of subjects preferred its scent.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe published evaluation reinforces C-ESTA’s position as a professional vitamin C formulation supported by both ingredient technology and finished-product testing.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eResults from a split-face consumer preference study. Individual results can vary.\u003c\/small\u003e\u003c\/p\u003e\n\u003ch2\u003eWho Is Jan Marini C-ESTA Face Serum For?\u003c\/h2\u003e\n\u003cp\u003eC-ESTA is suitable for all principal skin types:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDry skin.\u003c\/li\u003e\n\u003cli\u003eNormal skin.\u003c\/li\u003e\n\u003cli\u003eCombination skin.\u003c\/li\u003e\n\u003cli\u003eOily skin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is particularly relevant for adults concerned about:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFine lines and wrinkles.\u003c\/li\u003e\n\u003cli\u003eVisible loss of firmness.\u003c\/li\u003e\n\u003cli\u003eReduced facial definition.\u003c\/li\u003e\n\u003cli\u003eDullness and loss of radiance.\u003c\/li\u003e\n\u003cli\u003eUneven-looking tone.\u003c\/li\u003e\n\u003cli\u003eRough or uneven texture.\u003c\/li\u003e\n\u003cli\u003eEnvironmental and ultraviolet exposure.\u003c\/li\u003e\n\u003cli\u003eTraditional acidic vitamin C formulas feeling unsuitable for their routine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use Jan Marini C-ESTA Face Serum\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eShake the container thoroughly before every application.\u003c\/li\u003e\n\u003cli\u003eApply sparingly to clean skin.\u003c\/li\u003e\n\u003cli\u003eDistribute across the entire face, neck and behind the ears.\u003c\/li\u003e\n\u003cli\u003eUse morning and evening.\u003c\/li\u003e\n\u003cli\u003eAllow the serum to absorb before applying additional treatment products.\u003c\/li\u003e\n\u003cli\u003eFollow with moisturiser where required.\u003c\/li\u003e\n\u003cli\u003eComplete the morning routine with broad-spectrum sunscreen.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eDispense the product directly into the palm to prevent it slipping between the fingers. One pump is generally sufficient for the intended treatment area.\u003c\/p\u003e\n\u003ch2\u003ePriming the Airless Pump\u003c\/h2\u003e\n\u003cp\u003eC-ESTA uses an airless container to protect the formula and support precise dispensing. When opening a new bottle:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eLeave the protective cap in place.\u003c\/li\u003e\n\u003cli\u003eTurn the container upside down.\u003c\/li\u003e\n\u003cli\u003eTap the top firmly into the palm several times.\u003c\/li\u003e\n\u003cli\u003eTurn it upright, remove the cap and press the pump.\u003c\/li\u003e\n\u003cli\u003eRepeat the process if the product does not initially dispense.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eWhere Does C-ESTA Fit in a Skincare Routine?\u003c\/h2\u003e\n\u003cp\u003eC-ESTA is applied immediately after cleansing as the principal vitamin C and antioxidant step. Its lightweight formula should precede heavier creams and sunscreen.\u003c\/p\u003e\n\u003cp\u003eA straightforward routine is:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eCleanser.\u003c\/li\u003e\n\u003cli\u003eJan Marini C-ESTA Face Serum.\u003c\/li\u003e\n\u003cli\u003eAdditional targeted treatment.\u003c\/li\u003e\n\u003cli\u003eMoisturiser.\u003c\/li\u003e\n\u003cli\u003eBroad-spectrum sunscreen during the morning.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eFor more detail on arranging active products correctly, read our \u003ca href=\"\/blogs\/news\/how-to-layer-skincare-products-the-complete-order-guide\"\u003ecomplete skincare layering guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eC-ESTA for Visible Skin Ageing\u003c\/h2\u003e\n\u003cp\u003eVisible ageing involves more than the development of individual wrinkles. It can include declining firmness, uneven texture, dullness, reduced facial definition and the accumulated effects of environmental exposure.\u003c\/p\u003e\n\u003cp\u003eC-ESTA addresses these changes through a connected ingredient system:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLipid-soluble vitamin C for antioxidant protection and radiance.\u003c\/li\u003e\n\u003cli\u003eDMAE for a firmer and more lifted appearance.\u003c\/li\u003e\n\u003cli\u003eHyaluronic acid for hydration and smoothness.\u003c\/li\u003e\n\u003cli\u003eVitamins B5 and E for conditioning and antioxidant support.\u003c\/li\u003e\n\u003cli\u003eErgothioneine for additional environmental defence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis multi-pathway approach gives C-ESTA a valuable position within a professional \u003ca href=\"\/collections\/anti-ageing\"\u003eanti-ageing skincare programme\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eC-ESTA for Dullness and Uneven Texture\u003c\/h2\u003e\n\u003cp\u003eEnvironmental exposure and declining skin renewal can leave the complexion looking rough, tired and less reflective. C-ESTA combines antioxidants, hydration and firming ingredients to improve the visible quality of the skin surface.\u003c\/p\u003e\n\u003cp\u003eAs texture becomes smoother and hydration improves, light reflects more evenly from the complexion, creating a brighter and healthier-looking finish.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat type of vitamin C is in C-ESTA Face Serum?\u003c\/h3\u003e\n\u003cp\u003eC-ESTA contains ascorbyl palmitate, a lipid-soluble vitamin C ester. This distinguishes it from low-pH serums formulated primarily with water-soluble L-ascorbic acid.\u003c\/p\u003e\n\u003ch3\u003eWhat does DMAE do in C-ESTA?\u003c\/h3\u003e\n\u003cp\u003eDMAE helps improve the appearance of skin firmness, tone and facial contour. It complements vitamin C to create a visibly smoother, tighter and more lifted appearance.\u003c\/p\u003e\n\u003ch3\u003eDoes C-ESTA contain hyaluronic acid?\u003c\/h3\u003e\n\u003cp\u003eYes. It contains sodium hyaluronate to support hydration, softness and visible skin smoothness.\u003c\/p\u003e\n\u003ch3\u003eIs C-ESTA suitable for sensitive skin?\u003c\/h3\u003e\n\u003cp\u003eIts lipid-soluble vitamin C system avoids the strongly acidic environment required by traditional L-ascorbic acid serums. Individual sensitivity can still vary, so introduce any new active formula according to skin tolerance.\u003c\/p\u003e\n\u003ch3\u003eCan oily skin use C-ESTA?\u003c\/h3\u003e\n\u003cp\u003eYes. Jan Marini identifies C-ESTA as suitable for dry, normal, combination and oily skin.\u003c\/p\u003e\n\u003ch3\u003eCan C-ESTA improve fine lines and wrinkles?\u003c\/h3\u003e\n\u003cp\u003eYes. Its combination of lipid-soluble vitamin C, DMAE, hyaluronic acid and supporting antioxidants helps reduce the appearance of fine lines and wrinkles while improving visible firmness and texture.\u003c\/p\u003e\n\u003ch3\u003eShould C-ESTA be used in the morning or evening?\u003c\/h3\u003e\n\u003cp\u003eIt is designed for both morning and evening use. Morning application supplies antioxidant support during environmental exposure, while evening application maintains consistent firming and conditioning activity.\u003c\/p\u003e\n\u003ch3\u003eCan I use C-ESTA beneath makeup?\u003c\/h3\u003e\n\u003cp\u003eYes. Apply it sparingly, allow it to absorb and follow with moisturiser, sunscreen and makeup as required.\u003c\/p\u003e\n\u003ch3\u003eWhy must C-ESTA be shaken?\u003c\/h3\u003e\n\u003cp\u003eShaking redistributes the components of the formula and helps ensure consistent product delivery from the airless pump.\u003c\/p\u003e\n\u003ch3\u003eIs C-ESTA an acidic vitamin C serum?\u003c\/h3\u003e\n\u003cp\u003eC-ESTA uses lipid-soluble ascorbyl palmitate and does not depend on the harsh acidity associated with traditional pure L-ascorbic acid formulations.\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Jan Marini C-ESTA® Face Serum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 30ml\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin C:\u003c\/strong\u003e Ascorbyl palmitate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKey technology:\u003c\/strong\u003e Lipid-soluble vitamin C and DMAE antioxidant complex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional key ingredients:\u003c\/strong\u003e Hyaluronic acid, vitamins B5 and E, ergothioneine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkin types:\u003c\/strong\u003e Dry, normal, combination and oily\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Morning and evening\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary concerns:\u003c\/strong\u003e Fine lines, wrinkles, laxity, dullness, uneven texture and environmental ageing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\u003cp\u003eFor external use only. Avoid direct eye contact. Discontinue use and seek appropriate advice if persistent irritation develops.\u003c\/p\u003e\n\u003cp\u003eThe formula contains fragrance. Product formulations and ingredient declarations can be updated, so check the ingredient list printed on the supplied packaging before use if you have known allergies or sensitivities.\u003c\/p\u003e\n\u003cdetails style=\"margin-top: 28px; border-top: 1px solid #dedede; border-bottom: 1px solid #dedede; padding: 14px 0;\" open=\"\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003eRelated Jan Marini and skincare information\u003c\/summary\u003e\n\u003cdiv style=\"padding-top: 12px;\"\u003e\n\u003cul style=\"margin-bottom: 0;\"\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/jan-marini\"\u003eExplore the Jan Marini SkinSolutions range\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/how-to-layer-skincare-products-the-complete-order-guide\"\u003eHow to layer serums, moisturiser and sunscreen\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/anti-ageing\"\u003eExplore professional anti-ageing skincare\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cp class=\"sbs-xlink\"\u003e\u003ca href=\"\/collections\/hydroquinone\"\u003eStubborn dark spots? Find out about prescription pigmentation treatment →\u003c\/a\u003e\u003c\/p\u003e","brand":"Jan Marini","offers":[{"title":"Default Title","offer_id":52670186586459,"sku":null,"price":110.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9338\/4027\/files\/JanMariniCESTAFaceserum5.webp?v=1774610935"},{"product_id":"alastin-c-radical-defence-serum","title":"Alastin - C-Radical Defence Antioxidant Serum","description":"\u003ch2\u003eAdvanced vitamin C defence for brighter, smoother-looking skin\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eALASTIN C-RADICAL Defense Antioxidant Serum\u003c\/strong\u003e combines encapsulated sodium ascorbate with 14 additional antioxidants to target dullness, uneven skin tone, fine lines and visible environmental ageing. Its approach brings together daily antioxidant defence with support for the collagen and elastin that contribute to skin’s structure and resilience.\u003c\/p\u003e\n\n\u003cp\u003eThe scent-free, non-tacky formula offers a sophisticated vitamin C step for morning and evening use, with clinical research evaluating the finished serum rather than vitamin C alone.\u003c\/p\u003e\n\n\u003ch2\u003eKey benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrighter-looking skin:\u003c\/strong\u003e helps improve radiance and the appearance of uneven pigmentation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmoother texture:\u003c\/strong\u003e targets visible roughness and fine lines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMore even-looking tone:\u003c\/strong\u003e helps reduce the appearance of redness and brown spots.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAntioxidant defence:\u003c\/strong\u003e combines 15 antioxidants to address free-radical stress.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElastin-focused formulation:\u003c\/strong\u003e developed to support elastin conservation alongside collagen support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat makes its vitamin C technology different?\u003c\/h2\u003e\n\n\u003cp\u003eC-RADICAL uses sodium ascorbate, a vitamin C salt, within a phosphatidylcholine liposome delivery system. Encapsulation helps protect the ingredient and supports its delivery into the skin. The protective pump packaging also limits light exposure to the formula.\u003c\/p\u003e\n\n\u003cp\u003eThis makes the formulation more than a comparison of vitamin C percentages: the delivery system, supporting antioxidants and finished-product evidence are central to its design.\u003c\/p\u003e\n\n\u003ch2\u003eClinical results\u003c\/h2\u003e\n\n\u003cp\u003eA published multicentre study evaluated twice-daily use over 12 weeks in 36 adults aged 38–69 with facial photodamage. Participants also used a supporting cleanser, moisturiser and sunscreen regimen.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e83%\u003c\/strong\u003e reported healthier-looking skin and a more even-looking skin tone at week 12.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e75%\u003c\/strong\u003e reported improved texture, increased radiance and clarity, and brighter-looking skin.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100%\u003c\/strong\u003e reported overall satisfaction at weeks 8 and 12.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eInvestigators recorded significant improvements across the assessed signs of photodamage. Biopsies from five participants also showed increased elastin fibres after treatment.\u003c\/p\u003e\n\n\u003cp\u003e\u003csmall\u003eThis was an open-label, manufacturer-supported study without a separate control group. Percentages above describe participant responses, not percentage reductions in wrinkles or pigmentation. Individual results vary.\u003c\/small\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey ingredients\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEncapsulated sodium ascorbate:\u003c\/strong\u003e the formula’s vitamin C component.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLactoferrin:\u003c\/strong\u003e included for its role in addressing iron-associated oxidative stress.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEctoin:\u003c\/strong\u003e supports defence against environmental stress.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarnosine, pomegranate and Physalis angulata:\u003c\/strong\u003e contribute to the wider antioxidant formulation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreen tea:\u003c\/strong\u003e provides additional antioxidant support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003eCleanse the skin.\u003c\/li\u003e\n  \u003cli\u003eApply 1–2 pumps to the face morning and evening.\u003c\/li\u003e\n  \u003cli\u003eFollow with moisturiser as needed and sunscreen in the morning.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eAvoid contact with the eyes. If contact occurs, rinse thoroughly with water.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat type of vitamin C does C-RADICAL contain?\u003c\/h3\u003e\n\u003cp\u003eIt contains sodium ascorbate in an encapsulated delivery system, supported by a broader antioxidant blend.\u003c\/p\u003e\n\n\u003ch3\u003eWhat percentage of vitamin C is in it?\u003c\/h3\u003e\n\u003cp\u003eALASTIN does not state a vitamin C percentage on its official product page. Its published performance evidence evaluates the complete formulation.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use it with retinol?\u003c\/h3\u003e\n\u003cp\u003eALASTIN includes C-RADICAL and retinol within its suggested evening regimen. Introduce products according to your skin’s tolerance and follow any personalised advice from your skincare professional.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it replace sunscreen?\u003c\/h3\u003e\n\u003cp\u003eNo. Antioxidant skincare and sunscreen serve complementary roles. Continue using broad-spectrum sun protection.\u003c\/p\u003e\n\n\u003ch3\u003eWhen should I assess results?\u003c\/h3\u003e\n\u003cp\u003eThe published study assessed results over 12 weeks. Consistent use and photographs taken under the same lighting can help you judge changes in tone, texture and radiance.\u003c\/p\u003e\n\n\u003cp\u003e\u003csmall\u003eClinical reference: Moradi A et al. Multicenter evaluation of a topical antioxidant serum. Journal of Cosmetic Dermatology. 2024;23:145–153.\u003c\/small\u003e\u003c\/p\u003e\n\u003cp class=\"sbs-xlink\"\u003e\u003ca href=\"\/collections\/hydroquinone\"\u003eStubborn dark spots? Find out about prescription pigmentation treatment →\u003c\/a\u003e\u003c\/p\u003e","brand":"Alastin","offers":[{"title":"Default Title","offer_id":54223271330139,"sku":null,"price":150.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9338\/4027\/files\/alastin-c-radical-defense-30ml.avif?v=1790786375"},{"product_id":"obagi-c-exfoliating-day-lotion","title":"OBAGI - C® C-Exfoliating Day Lotion 57g","description":"\u003cdiv class=\"sbs-summary\" style=\"background:#F8F8F8;border-left:4px solid #A1DECD;padding:14px 16px;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eIn short:\u003c\/strong\u003e A smooth, lightweight day moisturiser from the Obagi-C range that hydrates and gently exfoliates with glycolic acid, helped by a vitamin C derivative and hyaluronic acid, for a brighter, healthier-looking complexion.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eObagi-C® C-Exfoliating Day Lotion 57g\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eC-Exfoliating Day Lotion is the morning moisturiser of the Obagi-C system.\u003c\/strong\u003e It combines glycolic acid, an alpha hydroxy acid, with hydrators so it moisturises while it gently lifts dull surface cells. The result is a brighter, smoother-looking complexion.\u003c\/p\u003e\n\u003cp\u003eIt pairs with \u003ca href=\"\/products\/obagi-c%C2%AE-fx-clarifying-serum\"\u003eObagi-C Fx Clarifying Serum\u003c\/a\u003e and a daily SPF in a routine aimed at dullness and uneven tone. Genuine Obagi Medical stock from Obagi’s UK distribution.\u003c\/p\u003e\n\u003ch2\u003eKey benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHydrates and gently exfoliates in one step\u003c\/li\u003e\n\u003cli\u003eHelps reveal a brighter, more even-looking complexion\u003c\/li\u003e\n\u003cli\u003eLightweight texture for daytime use\u003c\/li\u003e\n\u003cli\u003eContains vitamin C (ascorbyl glucoside), vitamin E and hyaluronic acid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey ingredients\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlycolic acid (AHA):\u003c\/strong\u003e exfoliates dull surface cells and acts as a water-binding agent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAscorbyl glucoside:\u003c\/strong\u003e a stable vitamin C derivative\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSodium hyaluronate:\u003c\/strong\u003e hydration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSqualane and tocopheryl acetate:\u003c\/strong\u003e skin conditioning and antioxidant support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFull ingredients (Obagi Medical, obagi.com):\u003c\/strong\u003e aqua\/water\/eau, ethylhexyl palmitate, ethylhexyl stearate, glycolic acid, caprylic\/capric triglyceride, isopropyl palmitate, hydroxyethyl acrylate\/sodium acryloyldimethyl taurate copolymer, squalane, PEG-8 dimethicone, glycerin, glyceryl stearate, PEG-100 stearate, sodium hydroxide, ascorbyl glucoside, tocopheryl acetate, sodium hyaluronate, PEG-8 ricinoleate, arginine, cetearyl alcohol, dimethicone, polysorbate 60, steareth-2, ceteareth-20, bisabolol, tetrasodium EDTA, phenoxyethanol, ethylhexylglycerin, fragrance (parfum). Always check the pack you receive, as formulations can change.\u003c\/p\u003e\n\u003ch2\u003eWho is it for?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDull or uneven-looking skin\u003c\/li\u003e\n\u003cli\u003eNormal to oily skin that wants a light moisturiser\u003c\/li\u003e\n\u003cli\u003ePeople using the Obagi-C routine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eUse once daily in the morning after cleansing and toning.\u003c\/li\u003e\n\u003cli\u003eSqueeze 1–2 pea-sized amounts onto your fingertips.\u003c\/li\u003e\n\u003cli\u003eApply evenly over the whole face and massage until absorbed.\u003c\/li\u003e\n\u003cli\u003eFollow with a broad-spectrum SPF. This product contains an AHA, which can increase sun sensitivity during use and for a week afterwards.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eProduct details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Obagi Medical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e Obagi-C®\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 57g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKey active:\u003c\/strong\u003e Glycolic acid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Morning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eCan I use it at night?\u003c\/h3\u003e\n\u003cp\u003eObagi directs it for once-daily morning use, followed by sunscreen.\u003c\/p\u003e\n\u003ch3\u003eIs it suitable for sensitive skin?\u003c\/h3\u003e\n\u003cp\u003eIt contains glycolic acid and fragrance. If your skin is sensitive, patch-test first and build up slowly.\u003c\/p\u003e\n\u003ch3\u003eDo I need a prescription or consultation?\u003c\/h3\u003e\n\u003cp\u003eNo. This is a cosmetic Obagi product, so you can add it to your basket and check out as normal.\u003c\/p\u003e\n\u003ch3\u003eSources\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.obagi.com\/products\/obagi-c-fx-exfoliating-day-lotion\" target=\"_blank\" rel=\"noopener\"\u003eObagi Medical: Obagi-C C-Exfoliating Day Lotion (description, ingredients, directions)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp style=\"font-size:13px;color:#555;\"\u003eReviewed 10 November 2026 by Skin by Science against Obagi Medical product information. Cosmetic product, not a medicine. No prescription or consultation needed.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Obagi Medical","offers":[{"title":"Default Title","offer_id":54897987486043,"sku":"EXF057OBA02","price":76.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9338\/4027\/files\/Obagi-C_C-Exfoliating_Day_Lotion_PDPhero_1260x1260_72dpi.webp?v=1794310669"},{"product_id":"obagi-professional-c-microdermabrasion-polish-mask","title":"OBAGI - Professional-C® Microdermabrasion Polish + Mask 80g","description":"\u003cdiv class=\"sbs-summary\" style=\"background:#F8F8F8;border-left:4px solid #A1DECD;padding:14px 16px;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eIn short:\u003c\/strong\u003e A two-in-one at-home facial. Ultra-fine crystals buff away dull surface skin, then 30% L-ascorbic acid vitamin C infuses the fresh skin. In Obagi’s study, 88% had a more luminous glow after the first use.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eObagi Professional-C® Microdermabrasion Polish + Mask 80g\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional-C Microdermabrasion Polish + Mask is a dual-action vitamin C treatment.\u003c\/strong\u003e Ultra-fine crystals gently polish away the dull outer layer of skin, and the mask then infuses the newly revealed skin with potent 30% L-ascorbic acid for a brighter, smoother, younger-looking look.\u003c\/p\u003e\n\u003cp\u003eIt uses the same pure vitamin C as the \u003ca href=\"\/collections\/obagi-professional-c\"\u003eProfessional-C serums\u003c\/a\u003e, in a weekly treatment format. Genuine Obagi Medical stock from Obagi’s UK distribution.\u003c\/p\u003e\n\u003ch2\u003eResults (Obagi study)\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e88% experienced a more luminous glow after the first use\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp style=\"font-size:13px;color:#555;\"\u003e3-week study, 3 uses per week. Data on file at Obagi Cosmeceuticals LLC.\u003c\/p\u003e\n\u003ch2\u003eKey benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePhysical microdermabrasion and vitamin C mask in one step\u003c\/li\u003e\n\u003cli\u003eBrightens dull skin\u003c\/li\u003e\n\u003cli\u003eSmooths rough texture\u003c\/li\u003e\n\u003cli\u003eAntioxidant protection from L-ascorbic acid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey ingredients\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eL-ascorbic acid 30%:\u003c\/strong\u003e the most researched form of vitamin C, which neutralises free radicals, brightens and softens the look of fine lines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilica and alumina crystals:\u003c\/strong\u003e ultra-fine polishing particles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSea buckthorn fruit oil:\u003c\/strong\u003e nourishing botanical oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFull ingredients (Obagi Medical, obagi.com):\u003c\/strong\u003e Ascorbic acid, hydrogenated soybean oil, polyhydroxystearic acid, lauryl laurate, silica, alumina, helianthus annuus (sunflower) seed wax, polyglyceryl-3 laurate, hydrogenated soy polyglycerldes, hippophae rhamnoides fruit oil, C15-23 alkane, fragrance (parfum). Always check the pack you receive, as formulations can change.\u003c\/p\u003e\n\u003ch2\u003eWho is it for?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDull, tired-looking skin\u003c\/li\u003e\n\u003cli\u003eRough texture and uneven tone\u003c\/li\u003e\n\u003cli\u003eAnyone wanting a weekly at-home facial with vitamin C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eApply a thin, even layer to clean, damp skin, avoiding the eyes, nose, mouth and lips.\u003c\/li\u003e\n\u003cli\u003eGently massage to polish.\u003c\/li\u003e\n\u003cli\u003eLeave on for 10–15 minutes. A slight tingle is normal.\u003c\/li\u003e\n\u003cli\u003eWipe off and rinse with warm water. Use 2–3 times a week.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eProduct details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Obagi Medical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e Professional-C®\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 80g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin C:\u003c\/strong\u003e 30% L-ascorbic acid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e 2–3 times a week\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eCan I use it with Professional-C Serum?\u003c\/h3\u003e\n\u003cp\u003eYes. Use the Polish + Mask 2–3 times a week and your Professional-C serum daily.\u003c\/p\u003e\n\u003ch3\u003eIs it suitable for sensitive skin?\u003c\/h3\u003e\n\u003cp\u003eIt is a strong vitamin C treatment and physical exfoliant. Patch-test first and avoid it on broken or irritated skin.\u003c\/p\u003e\n\u003ch3\u003eDo I need a prescription or consultation?\u003c\/h3\u003e\n\u003cp\u003eNo. This is a cosmetic Obagi product, so you can add it to your basket and check out as normal.\u003c\/p\u003e\n\u003ch3\u003eSources\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.obagi.com\/products\/professional-c-microdermabrasion-polish-mask\" target=\"_blank\" rel=\"noopener\"\u003eObagi Medical: Professional-C Microdermabrasion Polish + Mask (claims, ingredients, directions)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp style=\"font-size:13px;color:#555;\"\u003eReviewed 10 November 2026 by Skin by Science against Obagi Medical product information. Cosmetic product, not a medicine. No prescription or consultation needed.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Obagi Medical","offers":[{"title":"Default Title","offer_id":54898021171547,"sku":"PROPOLOBA01","price":108.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9338\/4027\/files\/OBAGI_Pro-C_Microderm_Polish_Mask_Jar_PDP_1260x1260-1260x1260.webp?v=1794310695"},{"product_id":"dr-levy-pigment-control-drops-30ml","title":"Dr. LEVY Switzerland - Pigment Control Drops 30ml","description":"\u003cdiv class=\"sbs-summary\" style=\"background:#F8F8F8;border-left:4px solid #A1DECD;padding:14px 16px;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eIn short:\u003c\/strong\u003e A hydroquinone- and arbutin-free brightening concentrate. A 14% complex of red algae, 2% tranexamic acid, 5% niacinamide and 3% stable vitamin C, plus 8 Swiss alpine antioxidants, targets dark spots and melasma at every stage. Use alone or mixed into your serum.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eDr. LEVY Switzerland Pigment Control Drops 30ml\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePigment Control Drops is a high-potency brightening concentrate that works on every stage of pigmentation, from prevention to correction.\u003c\/strong\u003e It helps reduce the look of existing dark spots and melasma and helps stop new ones forming, for a progressively more even, radiant tone.\u003c\/p\u003e\n\u003cp\u003eIt is free from hydroquinone and arbutin, so it is a useful option between or alongside prescription pigmentation treatment. It can be used on the face, eye contour, neck, décolletage and hands. Dermatologically and ophthalmologically tested. Genuine Dr. LEVY Switzerland stock from UK professional distribution.\u003c\/p\u003e\n\u003ch2\u003eKey benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTargets dark spots, sun spots and melasma\u003c\/li\u003e\n\u003cli\u003eHelps prevent new pigmentation\u003c\/li\u003e\n\u003cli\u003eEvens and brightens skin tone\u003c\/li\u003e\n\u003cli\u003eHydroquinone-free and arbutin-free\u003c\/li\u003e\n\u003cli\u003eLight drops that sit under any serum, or mix into one\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey ingredients\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed algae oligosaccharides and 2% tranexamic acid:\u003c\/strong\u003e help block new spots by regulating melanin production\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5% niacinamide:\u003c\/strong\u003e helps even the complexion by limiting pigment transfer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3% stabilised vitamin C (sodium ascorbyl phosphate):\u003c\/strong\u003e helps reduce the look of spots and protect against UV and pollution damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOX8 alpine antioxidant blend:\u003c\/strong\u003e 8 Swiss plant extracts that improve texture and tone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFull ingredients (Dr. LEVY Switzerland):\u003c\/strong\u003e Aqua, Niacinamide, Propanediol, 1,2-Hexanediol, Sodium Ascorbyl Phosphate, Denat. Alcohol, Tranexamic Acid, Palmaria Palmata Extract, Hydroxyacetophenone, Artemisia Umbelliformis Extract, Achillea Millefolium Extract, Alchemilla Vulgaris Extract, Malva Sylvestris Flower\/Leaf\/Stem Extract, Melissa Officinalis Leaf Extract, Mentha Piperita Leaf Extract, Primula Veris Extract, Veronica Officinalis Flower\/Leaf\/Stem Extract, Citric Acid, Glycerin, Xanthan Gum, Maltodextrin, Ci 77891, Ethylhexylglycerin, Carbomer, Sodium Benzoate, Potassium Sorbate. Always check the pack you receive, as formulations can change.\u003c\/p\u003e\n\u003ch2\u003eWho is it for?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDark spots, sun spots and post-blemish marks\u003c\/li\u003e\n\u003cli\u003eMelasma-prone skin (alongside medical advice and strict SPF)\u003c\/li\u003e\n\u003cli\u003eAnyone wanting a hydroquinone-free brightener\u003c\/li\u003e\n\u003cli\u003eAll skin types\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eCorrective: apply 5 drops to clean skin as a pre-serum. Let it absorb, then apply the Booster Serum.\u003c\/li\u003e\n\u003cli\u003ePreventative: add 5 drops to your Booster Serum.\u003c\/li\u003e\n\u003cli\u003eUse on the face, eye contour, neck, décolletage and hands.\u003c\/li\u003e\n\u003cli\u003eAlways use SPF 50 every morning.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eProduct details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Dr. LEVY Switzerland\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 30ml\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Dropper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroquinone \/ arbutin:\u003c\/strong\u003e None\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Switzerland\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eCan I use it with prescription hydroquinone?\u003c\/h3\u003e\n\u003cp\u003eMany people use a non-hydroquinone brightener between or alongside prescription cycles. Ask your prescriber how to combine them.\u003c\/p\u003e\n\u003ch3\u003eIs it safe around the eyes?\u003c\/h3\u003e\n\u003cp\u003eDr. LEVY says it is ophthalmologically tested and can be used on the eye contour.\u003c\/p\u003e\n\u003ch3\u003eDo I need a prescription or consultation?\u003c\/h3\u003e\n\u003cp\u003eNo. This is a cosmetic product, so you can add it to your basket and check out as normal.\u003c\/p\u003e\n\u003ch3\u003eSources\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.drlevy.swiss\/products\/pigment-control-drops-30-ml\" target=\"_blank\" rel=\"noopener\"\u003eDr. LEVY Switzerland: Pigment Control Drops (description, ingredients, directions)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp style=\"font-size:13px;color:#555;\"\u003eReviewed 10 November 2026 by Skin by Science against Dr. LEVY Switzerland product information. Cosmetic product, not a medicine. No prescription or consultation needed.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Dr. LEVY Switzerland","offers":[{"title":"Default Title","offer_id":54898054136155,"sku":"LEVPIGDROP","price":99.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9338\/4027\/files\/Pigment_Control_Drops.png?v=1794310710"}],"url":"https:\/\/skinbyscience.co.uk\/collections\/vitamin-c.oembed","provider":"Skin By Science","version":"1.0","type":"link"}