{"product_id":"obagi-nu-cil-eyebrow-boosting-serum","title":"OBAGI - NU-CIL® Eyebrow Boosting Serum","description":"\u003c!-- ============================================================\n     OBAGI NU-CIL® EYEBROW ENHANCING SERUM — PRODUCT DESCRIPTION\n     SEO-optimised | Schema-ready | Conversion-focused\n     ============================================================ --\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Product\" itemscope=\"\" class=\"obagi-nucil-brow-description\"\u003e\n\u003c!-- ── HERO INTRO ── --\u003e\n\u003csection class=\"pds-intro\"\u003e\n\u003ch2 itemprop=\"name\"\u003eOBAGI NU-CIL® Medical-Grade Eyebrow Enhancing Serum\u003c\/h2\u003e\n\u003cp itemprop=\"description\"\u003eOBAGI NU-CIL® Eyebrow Enhancing Serum is a clinically developed, medical-grade brow serum formulated to visibly restore fullness, density, and definition to sparse, over-plucked, or thinning eyebrows. Powered by the same advanced peptide complex trusted in the NU-CIL® Eyelash Serum, this formula works at the follicular level to extend the natural brow hair growth cycle — delivering measurably thicker, fuller, and more defined brows without hormonal actives or prescription requirements.\u003c\/p\u003e\n\u003cp\u003eDeveloped by \u003cstrong\u003eOBAGI Medical\u003c\/strong\u003e — trusted by dermatologists and aesthetic clinicians worldwide for over 35 years — NU-CIL® Eyebrow Serum is the professional-grade solution for brow restoration and enhancement.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- ── KEY BENEFITS ── --\u003e\n\u003csection class=\"pds-benefits\"\u003e\n\u003ch3\u003eWhat OBAGI NU-CIL® Eyebrow Serum Delivers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisibly fuller, thicker brows\u003c\/strong\u003e — targets the anagen (active growth) phase to increase brow hair density\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved brow definition\u003c\/strong\u003e — fills sparse patches and gaps for a more structured, groomed appearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestoration of over-plucked brows\u003c\/strong\u003e — supports regrowth in follicles that have been repeatedly stressed by waxing, threading, or tweezing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStronger, less brittle brow hairs\u003c\/strong\u003e — conditions the hair shaft to reduce breakage and improve texture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for all brow types\u003c\/strong\u003e — including naturally sparse, age-related thinning, and post-treatment recovery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible results from 4–6 weeks\u003c\/strong\u003e — with optimal results typically seen at 12–16 weeks of consistent use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- ── HOW IT WORKS ── --\u003e\n\u003csection class=\"pds-how-it-works\"\u003e\n\u003ch3\u003eHow OBAGI NU-CIL® Eyebrow Serum Works: The Science\u003c\/h3\u003e\n\u003cp\u003eLike eyelashes, eyebrow hairs follow a cyclical growth pattern: the \u003cstrong\u003eanagen phase\u003c\/strong\u003e (active growth), the \u003cstrong\u003ecatagen phase\u003c\/strong\u003e (transition), and the \u003cstrong\u003etelogen phase\u003c\/strong\u003e (resting and shedding). Years of over-plucking, waxing, or threading — combined with hormonal changes and ageing — can shorten the anagen phase and reduce follicular activity, resulting in permanently sparse or thin brows.\u003c\/p\u003e\n\u003cp\u003eNU-CIL® Eyebrow Serum is formulated to \u003cstrong\u003ereactivate dormant follicles\u003c\/strong\u003e, \u003cstrong\u003eextend the anagen phase\u003c\/strong\u003e, and \u003cstrong\u003enourish the follicular environment\u003c\/strong\u003e — creating the optimal conditions for visible brow regrowth. The formula combines:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMyristoyl Pentapeptide-17\u003c\/strong\u003e — a biomimetic signal peptide that upregulates keratin gene expression within the hair follicle, directly stimulating brow hair fibre production and elongation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMyristoyl Hexapeptide-16\u003c\/strong\u003e — works synergistically to enhance follicular stem cell activity and improve hair anchoring, reducing premature shedding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiotin (Vitamin B7)\u003c\/strong\u003e — an essential co-factor in keratin synthesis; deficiency is directly linked to hair thinning, brittleness, and loss across the brows and scalp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanthenol (Pro-Vitamin B5)\u003c\/strong\u003e — deeply conditions the brow hair shaft, improving flexibility, reducing breakage, and enhancing natural sheen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwertia Japonica Extract\u003c\/strong\u003e — a clinically studied botanical active shown to stimulate follicular stem cells and support the transition from telogen back into the active anagen growth phase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHyaluronic Acid\u003c\/strong\u003e — maintains optimal hydration at the follicular microenvironment, supporting healthy hair emergence and reducing stress-related hair loss\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis multi-pathway approach — combining \u003cstrong\u003epeptide signalling, follicular nourishment, and botanical activation\u003c\/strong\u003e — makes NU-CIL® Eyebrow Serum significantly more comprehensive than single-ingredient brow serums or castor oil-based alternatives.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- ── OVER-PLUCKING EXPLAINER (unique differentiator) ── --\u003e\n\u003csection class=\"pds-overplucking\"\u003e\n\u003ch3\u003eCan Over-Plucked Brows Grow Back? What the Science Says\u003c\/h3\u003e\n\u003cp\u003eOne of the most common questions in brow restoration is whether follicles damaged by years of over-plucking can recover. The answer depends on follicular viability:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemporarily dormant follicles\u003c\/strong\u003e — follicles that have been stressed but not permanently scarred can often be reactivated with consistent follicular stimulation and nourishment. NU-CIL® targets precisely this mechanism.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermanently scarred follicles\u003c\/strong\u003e — repeated trauma over many years can cause fibrotic scarring that prevents regrowth. In these cases, results may be partial rather than complete.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor best outcomes, begin treatment as early as possible. The longer follicles remain dormant, the lower the likelihood of full reactivation. NU-CIL® is most effective when used consistently over a minimum 12–16 week course.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- ── HOW TO USE ── --\u003e\n\u003csection class=\"pds-usage\"\u003e\n\u003ch3\u003eHow to Use OBAGI NU-CIL® Eyebrow Serum\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the brow area is clean and free of makeup, oils, and other topical products\u003c\/li\u003e\n\u003cli\u003eUsing the precision applicator, apply a thin layer of serum along and within the \u003cstrong\u003ebrow line\u003c\/strong\u003e — covering sparse areas and the full brow from inner to outer corner\u003c\/li\u003e\n\u003cli\u003eAllow to absorb fully before applying brow makeup or other products\u003c\/li\u003e\n\u003cli\u003eApply \u003cstrong\u003eonce daily\u003c\/strong\u003e, preferably in the evening as part of your skincare routine\u003c\/li\u003e\n\u003cli\u003eDo not apply to irritated, broken, or inflamed skin\u003c\/li\u003e\n\u003cli\u003eContinue use consistently for a minimum of \u003cstrong\u003e12–16 weeks\u003c\/strong\u003e for optimal results; maintenance use is recommended to sustain regrowth\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003ePro tip:\u003c\/strong\u003e Apply after your evening cleanser and before heavier moisturisers or facial oils — this ensures maximum absorption into the follicular environment without the serum being diluted or occluded.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- ── WHO IT'S FOR ── --\u003e\n\u003csection class=\"pds-who\"\u003e\n\u003ch3\u003eWho Is OBAGI NU-CIL® Eyebrow Serum Suitable For?\u003c\/h3\u003e\n\u003cp\u003eNU-CIL® Eyebrow Serum is suitable for adults who:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHave naturally sparse, thin, or asymmetric brows and want visible enhancement without microblading or tattooing\u003c\/li\u003e\n\u003cli\u003eHave experienced brow thinning due to age, hormonal changes (including thyroid dysfunction or menopause), or nutritional deficiency\u003c\/li\u003e\n\u003cli\u003eAre recovering from over-plucking, waxing, or threading and want to support regrowth\u003c\/li\u003e\n\u003cli\u003eAre seeking a non-invasive alternative or complement to microblading, brow lamination, or tinting\u003c\/li\u003e\n\u003cli\u003eHave experienced brow hair loss following chemotherapy or medical treatment (consult your oncologist before use)\u003c\/li\u003e\n\u003cli\u003eWant to maintain and enhance results following a professional brow treatment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot recommended for:\u003c\/strong\u003e use during pregnancy or breastfeeding without medical advice; individuals with active skin infections or inflammation in the brow area; those under 18 years of age.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- ── PRODUCT DETAILS ── --\u003e\n\u003csection class=\"pds-details\"\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eOBAGI Medical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eNU-CIL® Eyebrow Enhancing Serum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSize\u003c\/th\u003e\n\u003ctd\u003e5 ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFormula type\u003c\/th\u003e\n\u003ctd\u003ePeptide \u0026amp; botanical brow serum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eApplication\u003c\/th\u003e\n\u003ctd\u003ePrecision applicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrequency\u003c\/th\u003e\n\u003ctd\u003eOnce daily (evening recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVisible results\u003c\/th\u003e\n\u003ctd\u003e4–6 weeks; optimal at 12–16 weeks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDermatologist developed\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePrescription required\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSuitable for\u003c\/th\u003e\n\u003ctd\u003eAll brow types including sparse, thinning, and over-plucked\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003c!-- ── FAQ ── --\u003e\n\u003csection itemtype=\"https:\/\/schema.org\/FAQPage\" itemscope=\"\" class=\"pds-faq\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Question\" itemprop=\"mainEntity\" itemscope=\"\"\u003e\n\u003ch4 itemprop=\"name\"\u003eHow long does OBAGI NU-CIL® Eyebrow Serum take to work?\u003c\/h4\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Answer\" itemprop=\"acceptedAnswer\" itemscope=\"\"\u003e\n\u003cp itemprop=\"text\"\u003eMost users notice initial improvements in brow density and fullness within \u003cstrong\u003e4–6 weeks\u003c\/strong\u003e of consistent daily use. Optimal results are typically achieved at \u003cstrong\u003e12–16 weeks\u003c\/strong\u003e. Brow hair grows more slowly than eyelashes, so patience and consistency are essential — do not discontinue use before the 12-week mark.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Question\" itemprop=\"mainEntity\" itemscope=\"\"\u003e\n\u003ch4 itemprop=\"name\"\u003eWill OBAGI NU-CIL® grow back over-plucked eyebrows?\u003c\/h4\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Answer\" itemprop=\"acceptedAnswer\" itemscope=\"\"\u003e\n\u003cp itemprop=\"text\"\u003eNU-CIL® can help reactivate dormant or stressed follicles that have been affected by over-plucking, waxing, or threading. Results depend on follicular viability — follicles that are dormant but not permanently scarred respond best. Begin treatment as early as possible for the highest chance of meaningful regrowth.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Question\" itemprop=\"mainEntity\" itemscope=\"\"\u003e\n\u003ch4 itemprop=\"name\"\u003eCan I use NU-CIL® Eyebrow Serum alongside microblading or brow lamination?\u003c\/h4\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Answer\" itemprop=\"acceptedAnswer\" itemscope=\"\"\u003e\n\u003cp itemprop=\"text\"\u003eYes — NU-CIL® Eyebrow Serum is an excellent complement to microblading and brow lamination. Use it to improve natural brow density before a treatment (for better results) or after (to maintain and enhance regrowth between appointments). Avoid applying directly to freshly microbladed skin until fully healed — typically 4–6 weeks post-procedure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Question\" itemprop=\"mainEntity\" itemscope=\"\"\u003e\n\u003ch4 itemprop=\"name\"\u003eWhat happens if I stop using NU-CIL® Eyebrow Serum?\u003c\/h4\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Answer\" itemprop=\"acceptedAnswer\" itemscope=\"\"\u003e\n\u003cp itemprop=\"text\"\u003eBrows will gradually return towards their pre-treatment state as the natural growth cycle reasserts itself — typically over 6–10 weeks after discontinuation. To maintain results, continued use is recommended. Many users transition to every-other-day application as a maintenance dose once optimal results are achieved.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Question\" itemprop=\"mainEntity\" itemscope=\"\"\u003e\n\u003ch4 itemprop=\"name\"\u003eIs OBAGI NU-CIL® Eyebrow Serum safe for sensitive skin?\u003c\/h4\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Answer\" itemprop=\"acceptedAnswer\" itemscope=\"\"\u003e\n\u003cp itemprop=\"text\"\u003eNU-CIL® Eyebrow Serum is dermatologist-developed and formulated to be well-tolerated. If you have a history of contact dermatitis or sensitivity to cosmetic actives, perform a patch test on the inner arm for 48 hours before applying to the brow area. Discontinue use if irritation, redness, or itching occurs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Question\" itemprop=\"mainEntity\" itemscope=\"\"\u003e\n\u003ch4 itemprop=\"name\"\u003eCan I use NU-CIL® Eyebrow Serum if my brow thinning is hormonal?\u003c\/h4\u003e\n\u003cdiv itemtype=\"https:\/\/schema.org\/Answer\" itemprop=\"acceptedAnswer\" itemscope=\"\"\u003e\n\u003cp itemprop=\"text\"\u003eHormonal brow thinning — commonly associated with thyroid dysfunction, menopause, or postpartum changes — responds well to follicular nourishment and peptide stimulation. NU-CIL® can support regrowth in these cases, though addressing the underlying hormonal cause with your GP or endocrinologist will produce the best long-term outcomes. NU-CIL® works well as part of a broader treatment approach.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- ── CLINICAL CREDIBILITY \/ E-E-A-T ── --\u003e\n\u003csection class=\"pds-credibility\"\u003e\n\u003ch3\u003eWhy Buy OBAGI NU-CIL® From a Clinician-Backed Retailer?\u003c\/h3\u003e\n\u003cp\u003eOBAGI products are professional-grade formulations designed for use under clinical guidance. Purchasing from an authorised, clinician-backed retailer ensures you receive:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentic, UK-sourced product\u003c\/strong\u003e — not grey-market or counterfeit stock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert guidance\u003c\/strong\u003e on integrating NU-CIL® into your wider skincare or brow treatment protocol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect storage and handling\u003c\/strong\u003e — maintaining product integrity and efficacy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess to professional advice\u003c\/strong\u003e if you experience any unexpected reactions or want to combine NU-CIL® with other treatments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCounterfeit and grey-market OBAGI products are a known issue in the UK market. Always verify you are purchasing from an authorised OBAGI stockist.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c!-- END OBAGI NU-CIL® EYEBROW SERUM PRODUCT DESCRIPTION --\u003e","brand":"BRANDS \/ Obagi Medical","offers":[{"title":"Default Title","offer_id":52645235229019,"sku":null,"price":124.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9338\/4027\/files\/ObagiNuCilEyebrow1.webp?v=1774273385","url":"https:\/\/skinbyscience.co.uk\/products\/obagi-nu-cil-eyebrow-boosting-serum","provider":"skinbyscience","version":"1.0","type":"link"}