{"product_id":"cosrx-niacinamide-15-face-serum-0-67-fl-oz-pore-refining-oil-control-treatment","title":"COSRX Niacinamide 15% Face Serum, 0.67 fl oz — Pore-Refining, Oil-Control Treatment","description":"\u003cstrong\u003eCOSRX 15% Niacinamide Face Serum is a concentrated lightweight treatment designed to refine enlarged pores, balance oil, and support a smoother, more even-looking complexion.\u003c\/strong\u003e\n\n\u003cp\u003eThis Korean-formulated serum combines a high 15% niacinamide concentration with Zinc PCA to address uneven texture and excess sebum without heavy silicones or thick oils. Fast-absorbing and suited for layering, it works into your routine morning or night (use sunscreen during the day). The pump\/dropper delivers just a few drops for targeted application on the nose, chin, cheeks, or areas of congestion.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly will I notice smaller pores and smoother skin?\u003c\/h3\u003e\n\u003cp\u003eVisible changes depend on your skin and routine consistency. Many people report refined texture within a few weeks when used regularly, while deeper congestion may take longer to improve. Combine with gentle cleansing and sun protection for best results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContains 15% niacinamide to help regulate oil production and refine pore appearance.\u003c\/li\u003e\n  \u003cli\u003eZinc PCA helps reduce surface oil that can make pores look larger.\u003c\/li\u003e\n  \u003cli\u003eUse 2–3 drops once or twice daily for gradual improvement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this serum safe for sensitive or breakout-prone skin?\u003c\/h3\u003e\n\u003cp\u003eThe formula avoids heavy occlusives, but its high niacinamide concentration can be strong for some very reactive skin. COSRX recommends a patch test before full-face application and starting with once-daily use if you have sensitivity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePatch test on the inner arm for 24 hours before face use.\u003c\/li\u003e\n  \u003cli\u003eReduce frequency if redness or irritation appears; consult a clinician if severe reaction occurs.\u003c\/li\u003e\n  \u003cli\u003eZinc PCA supports blemish-prone skin by helping control surface oil.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I include this serum in my daily skincare routine?\u003c\/h3\u003e\n\u003cp\u003eApply to clean, toned skin before heavier creams and sunscreens. For daytime use, follow with an SPF 30+ product to protect results; at night, follow with moisturizers or targeted treatments as needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply 2–3 drops to face once or twice daily after cleansing and toning.\u003c\/li\u003e\n  \u003cli\u003eGently pat into areas with enlarged pores or uneven texture; avoid direct eye contact.\u003c\/li\u003e\n  \u003cli\u003eLayer beneath sunscreen in the morning and a light moisturizer at night.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat precautions should I take when using this serum?\u003c\/h3\u003e\n\u003cp\u003eBecause of the high active concentration, introduce the serum gradually. Avoid combining with other potentially irritating strong actives at first, and always protect skin from sun exposure after use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePerform a patch test before first use and wait 24 hours for reactions.\u003c\/li\u003e\n  \u003cli\u003eAvoid using at the same time as high-strength AHAs\/BHAs until tolerance is established.\u003c\/li\u003e\n  \u003cli\u003eDo not apply directly into eyes; can be used in the under-eye orbital area with caution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This serum is intended for people seeking a targeted, high-strength niacinamide treatment to address enlarged pores, oily areas, and uneven skin texture—especially those comfortable introducing concentrated actives into their routine. It can suit combination, oily, and many normal skin types, but those with very reactive skin should start slowly and perform a patch test. Integrate with sun protection and a gentle base routine for predictable, layered results.\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: Can I use COSRX 15% Niacinamide Serum every day?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, but start with once daily or every other day to assess tolerance; increase to twice daily if no irritation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this serum treat active acne?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It helps reduce excess oil and supports clearer-looking skin, but it is not an acne medication; consult a dermatologist for active breakouts.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"COSRX","offers":[{"title":"Default Title","offer_id":49625774358666,"sku":"B09ZYB8S31","price":80.62,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/4825\/6394\/files\/cosrx-front-packaging.jpg?v=1782900516","url":"https:\/\/auviraskincare.com\/products\/cosrx-niacinamide-15-face-serum-0-67-fl-oz-pore-refining-oil-control-treatment","provider":"Auvira Beauty","version":"1.0","type":"link"}