{"product_id":"principia-nc-10-niacinamide-serum","title":"Principia NC-10 Niacinamide Serum 10% + Zinc PCA 1% for Oil Control \u0026 Dark Spot Care, 1.01 fl oz (30 mL)","description":"\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003ePrincipia NC-10\u003c\/strong\u003e is a Brazilian dermocosmetics essential designed for the modern glow routine: refined, lightweight, and focused on visible balance. Powered by \u003cspan class=\"font-semibold\"\u003e10% niacinamide (vitamin B3)\u003c\/span\u003e and \u003cspan class=\"font-semibold\"\u003e1% zinc PCA\u003c\/span\u003e, this daily serum helps manage excess oil, support clearer-looking pores, and improve the appearance of uneven tone—ideal for anyone building a streamlined routine that still feels professional and performance-led.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003eIts elegant, fast-absorbing texture layers beautifully under moisturizer, sunscreen, and makeup, making it a smart choice for personal routines, salon retail shelves, and international resellers who want a proven active story without unnecessary extras.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eDark spot appearance support\u003c\/strong\u003e:\u003c\/span\u003e Helps reduce the appearance of dark marks and supports a more even-looking complexion.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eOil control\u003c\/strong\u003e:\u003c\/span\u003e Helps balance excess sebum for a fresher, less shiny finish.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eBlemish-prone support\u003c\/strong\u003e:\u003c\/span\u003e Helps reduce the look of blackheads and blemishes with consistent use.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003ePore appearance support\u003c\/strong\u003e:\u003c\/span\u003e Helps minimize the look of enlarged pores for a smoother-looking finish.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eRadiance + softness\u003c\/strong\u003e:\u003c\/span\u003e Helps improve the look of glow and supports a softer skin feel.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eDermatologically tested (brand-reported)\u003c\/strong\u003e:\u003c\/span\u003e The brand reports irritation and sensitization testing, and hypoallergenic \/ non-photoirritating evaluation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan class=\"font-semibold\"\u003eHow to use\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003eUse daily, morning and night. Apply on clean, dry skin before creams, sunscreen, and makeup. Dispense a few drops onto fingertips (avoid touching the dropper to skin) and spread gently over the face. The brand indicates it can be applied in the eye area; use carefully and avoid direct contact with eyes. Store in a cool, dry place.\u003c\/p\u003e\n\u003cp\u003eIn a \u003cspan class=\"font-semibold\"\u003e60-day perceived efficacy study\u003c\/span\u003e, participants reported improvements in: \u003cspan class=\"font-semibold\"\u003etone (100%)\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003esoftness (100%)\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003eradiance (100%)\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003edark spots (97%)\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003emelasma appearance (97%)\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003eoiliness (94%)\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003epore size appearance (94%)\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003eunder-eye dark circles (87%)\u003c\/span\u003e, and \u003cspan class=\"font-semibold\"\u003eunder-eye puffiness (87%)\u003c\/span\u003e. The brand also reports instrumental measurements indicating improvements in hydration indicators and firmness\/elasticity parameters over 60 days.\u003c\/p\u003e\n\u003ch3\u003eIngredients Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eNiacinamide (10%)\u003c\/strong\u003e:\u003c\/span\u003e A stable form of vitamin B3 known for multi-benefit skincare support. Commonly used to help reduce the look of blemishes and blackheads, support oil balance, improve the appearance of pores, and promote a more even-looking tone.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eZinc PCA (1%)\u003c\/strong\u003e:\u003c\/span\u003e A combination of zinc and L-PCA. Zinc is associated with helping normalize the look of excess oil and supporting blemish-prone skin, while L-PCA contributes to hydration-support processes—helping the skin feel comfortable and balanced.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003ch4\u003eAllergen warnings \/ cautions\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cul class=\"ml-1 list-outside list-disc\"\u003e\n\u003cli class=\"py-0\"\u003eFor external use only. Discontinue use if irritation occurs.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eAvoid direct contact with eyes. If product gets into eyes, rinse thoroughly with water.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eUse sunscreen daily, especially when targeting the appearance of dark spots and uneven tone.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eKeep out of reach of children. Store in a cool, dry place.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eAccording to the brand, the formula is free from parabens, petrolatum, silicones, fragrance, and gluten.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003ePrincipia\u003c\/span\u003e \u003c\/strong\u003eis a Brazilian \u003cstrong\u003edermocosmetics \u003c\/strong\u003ebrand founded in 2020 in São Paulo with a clear mission: \u003cspan class=\"font-semibold\"\u003edemocratize high-performance \u003cstrong\u003eskincare\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003ethrough science-backed formulas, radical ingredient transparency, and fair, accessible positioning. Instead of relying on hype, Principia focuses on what matters most for results-driven routines—\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eactive ingredients at disclosed percentages\u003c\/span\u003e, straightforward formulations, and a minimalist, clinical aesthetic designed for everyday use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eCan I use Principia NC-10 every day?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The brand indicates daily AM\/PM use. If you are new to strong actives, start once daily and increase as tolerated.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eIs this serum suitable for oily or acne-prone skin?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is widely used in routines focused on oil control, the look of pores, and blemish-prone concerns due to niacinamide and zinc PCA.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eCan NC-10 help with the appearance of dark spots?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt may help improve the look of uneven tone and dark marks with consistent use, alongside daily sunscreen.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eCan I apply it around the eye area?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe brand indicates safety and efficacy were evaluated for the eye area. Apply gently, avoid direct eye contact, and stop if irritation occurs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eIs this product cruelty-free?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe brand states it does not test on animals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003eComplete your routine by exploring \u003cspan title=\"Blocked URL: {{INTERNAL_LINK}}\" class=\"text-gray-500\"\u003eour curated \u003ca href=\"https:\/\/mkpbr.com\/collections\/principia\"\u003ePrincipia Collection\u003c\/a\u003e\u003c\/span\u003e for a clean, balanced, everyday glow.\u003c\/p\u003e\n\u003ch3\u003eAdd Principia NC-10 to your cart and build a balanced routine with Brazilian dermocosmetic clarity.\u003c\/h3\u003e\n\n\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 18px; background: #F6F7FB; border: 1px solid #E7E9F3; border-radius: 14px; padding: 12px; color: rgba(20,32,62,.74); font-size: 12.5px; line-height: 1.6; max-width: 100%; box-sizing: border-box; overflow: hidden;\"\u003e\n\u003cstrong style=\"color: #14203e;\"\u003eDisclaimer:\u003c\/strong\u003e For external use only. Patch test before use and discontinue use if irritation occurs. Individual results may vary. Product packaging may be labeled in Portuguese. Our Brazilian-brand products are sourced in Brazil and are regularized with ANVISA (Agência Nacional de Vigilância Sanitária), Brazil's national health authority, under the applicable regulatory framework for each product category. ANVISA regularization applies to the Brazilian market and is not equivalent to U.S. FDA approval. See our full \u003ca href=\"\/en-ie\/pages\/disclaimers\" style=\"color: rgba(20,32,62,.74); text-decoration: underline;\"\u003eDisclaimers \u0026amp; Important Information\u003c\/a\u003e.\u003c\/div\u003e","brand":"Principia","offers":[{"title":"Default Title","offer_id":52626215862588,"sku":"MKPBR2024-1971","price":34.56,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0090\/2840\/3278\/files\/principia-nc-10-niacinamide-serum-10-percent-zinc-pca-1-percent-1-01-fl-oz-30-ml-front-bottle-buy-now-at-mkpbr-com-worldwide-shipping_cc7071be-7779-4504-9277-cebfc920b506.png?v=1784526476","url":"https:\/\/mkpbr.com\/en-ie\/products\/principia-nc-10-niacinamide-serum","provider":"MKPBR - Shine Like a Brazilian","version":"1.0","type":"link"}