{"product_id":"cosrx-serum-facial-niacinamida-15-0-67-fl-oz-minimiza-poros-controla-sebo","title":"COSRX Niacinamide 15% Face Serum, 0.67 fl oz — Pore-Minimizing, Oil-Control Lightweight Formula","description":"\u003cp\u003e\u003cstrong\u003eA lightweight 15% niacinamide serum from COSRX designed to refine pores, regulate excess oil, and improve overall skin texture without heavy residue.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis concentrated COSRX Niacinamide 15% Face Serum combines high-strength niacinamide with Zinc PCA to target enlarged pores, uneven tone, and surface texture. Formulated for everyday use, the fast-absorbing liquid layers smoothly under moisturizers and makeup. It’s made to integrate into morning or evening routines with clear directions for application and a recommendation for sun protection during daytime use.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly will I notice visible changes to my pores and texture?\u003c\/h3\u003e\n\u003cp\u003eResults depend on your skin’s starting point and consistency, but many users report smoother texture and reduced oiliness within several weeks of regular use. Because the formula concentrates active niacinamide at 15%, small improvements often appear sooner than with lower-strength products.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse 2–3 drops once or twice daily for best effect.\u003c\/li\u003e\n  \u003cli\u003eApply to clean, slightly damp skin to improve absorption.\u003c\/li\u003e\n  \u003cli\u003eExpect gradual improvement over 4–8 weeks with consistent use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this serum irritate sensitive or reactive skin?\u003c\/h3\u003e\n\u003cp\u003eHigh-concentration niacinamide can be well tolerated by many, but stronger actives may cause sensitivity in some users. COSRX recommends a preliminary patch test and slowing frequency if irritation appears; discontinue use and consult a professional if persistent reactions occur.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePerform a patch test 24 hours before full-face use.\u003c\/li\u003e\n  \u003cli\u003eStart with once-daily application or every-other-day to assess tolerance.\u003c\/li\u003e\n  \u003cli\u003eAvoid direct contact with the eyes and stop use if severe irritation develops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I incorporate this serum into my daily skincare routine?\u003c\/h3\u003e\n\u003cp\u003eThis lightweight serum is designed to fit between cleansing and moisturizing steps. For daytime, follow with a broad-spectrum SPF 30+ sunscreen to protect results; at night, layer a hydrating moisturizer or treatment as needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCleanse, tone (optional), apply 2–3 drops of the serum, then moisturize.\u003c\/li\u003e\n  \u003cli\u003eUse sunscreen during daytime to prevent sun-related discoloration.\u003c\/li\u003e\n  \u003cli\u003eCan be applied under-eye carefully, avoiding direct eye contact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat active ingredients make this product effective?\u003c\/h3\u003e\n\u003cp\u003eThe key actives are 15% niacinamide and Zinc PCA. Niacinamide helps the skin look smoother and more even, while Zinc PCA contributes to oil regulation and helps reduce the chance of future congestion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e15% niacinamide for pore appearance and tone refinement.\u003c\/li\u003e\n  \u003cli\u003eZinc PCA to help control excess sebum and support clearer skin.\u003c\/li\u003e\n  \u003cli\u003eLightweight carrier base for quick absorption beneath moisturizers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This COSRX Niacinamide 15% Face Serum suits people seeking a targeted pore-minimizing and texture-refining product—especially those with oily, combination, or congestion-prone skin. It’s also appropriate for users wanting a potent niacinamide treatment layered into existing routines, provided they perform a patch test first and use sun protection during the day. If you have very reactive skin or active dermatitis, consult a dermatologist before introducing high-strength actives.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eWater, Pentylene Glycol, Niacinamide, Butylene Glycol, Acetyl Glucosamine, 1,2-Hexanediol, Zinc PCA, Trehalose, Xanthan Gum, Pullulan, Allantoin, Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I use COSRX Niacinamide 15% Serum?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply 2–3 drops once or twice daily; start once daily to assess tolerance and always use SPF in the morning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this under the eyes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can apply it near the under-eye area but avoid direct eye contact; perform a patch test first to check sensitivity.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"COSRX","offers":[{"title":"Default Title","offer_id":54591599280467,"sku":"B09ZYB8S31","price":41.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/cosrx-frente-packaging-niacinamide-15.jpg?v=1786746196","url":"https:\/\/findsworth.co.uk\/products\/cosrx-serum-facial-niacinamida-15-0-67-fl-oz-minimiza-poros-controla-sebo","provider":"Findsworth","version":"1.0","type":"link"}