{"product_id":"obagi-professional-c-serum-15","title":"OBAGI - Professional-C® Serum 15%","description":"\u003ch2\u003eMid-Strength Vitamin C Defence for Radiant, Resilient Skin\u003c\/h2\u003e\u003cp\u003eObagi Professional-C® Serum 15% is a powerful antioxidant serum formulated with \u003cstrong\u003e15% L-Ascorbic Acid\u003c\/strong\u003e to provide advanced environmental protection while visibly brightening and firming the skin. This medium-strength Vitamin C treatment penetrates deeply to help neutralise free radical damage, support collagen synthesis, and improve skin tone. Ideal for normal to combination skin types, it promotes a clearer, more youthful-looking complexion with continued daily use.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e15% Pure Vitamin C Power\u003c\/strong\u003e\u003cbr\u003eDelivers a potent dose of L-Ascorbic Acid to shield skin from environmental damage and oxidative stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisibly Brightens and Smooths\u003c\/strong\u003e\u003cbr\u003eTargets uneven pigmentation and dullness to enhance clarity and luminosity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoosts Skin Elasticity\u003c\/strong\u003e\u003cbr\u003eEncourages natural collagen formation to support firmer, smoother skin texture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects Against Premature Ageing\u003c\/strong\u003e\u003cbr\u003eStrengthens skin’s defences to reduce the visible effects of sun exposure and pollution.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eHow to Apply\u003c\/h2\u003e\u003cp\u003eApply 5–7 drops onto clean fingertips and gently smooth over the face, neck, and décolleté each morning. Always follow with a broad-spectrum SPF during the day.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Ingredients\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e15% L-Ascorbic Acid (Vitamin C)\u003c\/strong\u003e — A powerful antioxidant that protects, brightens, and firms the skin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAscorbyl Glucoside\u003c\/strong\u003e — A stable form of Vitamin C that works to fade dark spots and even skin tone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePropylene Glycol \u0026amp; Water\u003c\/strong\u003e — Lightweight carriers that aid ingredient penetration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eFull Ingredients\u003c\/h2\u003e\u003cp\u003ePropylene Glycol, Water (Aqua), L-Ascorbic Acid, Alcohol, Ascorbyl Glucoside, Fragrance.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eIngredient formulations may vary by location and batch. Always refer to your product packaging for the most accurate information.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the difference between Obagi Professional-C 10%, 15%, and 20%?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe 10% is best for sensitive or first-time Vitamin C users. The 15% is ideal for normal to combination skin with some Vitamin C experience, offering a stronger brightening and antioxidant effect. The 20% is the most potent, suited to oily or resilient skin seeking maximum results.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhen should I apply Obagi Professional-C Serum 15%?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eApply every morning to clean, dry skin before moisturiser and SPF. Vitamin C works synergistically with sunscreen to provide enhanced antioxidant protection throughout the day.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow long does it take to see results?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eMost users notice improvements in brightness and skin tone within 4–6 weeks of consistent daily use. Firming and fine line reduction typically develop over 8–12 weeks.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs 15% Vitamin C suitable for sensitive skin?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe 15% concentration is best suited to normal to combination skin. If you have sensitive or reactive skin, the 10% concentration is recommended as a gentler starting point.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan I use this serum with retinol or niacinamide?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes — apply Vitamin C in the morning and retinol in the evening. Niacinamide can be used in the same routine without issue.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"BRANDS \/ 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","url":"https:\/\/skinbyscience.co.uk\/products\/obagi-professional-c-serum-15","provider":"skinbyscience","version":"1.0","type":"link"}