{"product_id":"aplb-glutathione-niacinamide-ampoule-serum-40ml","title":"APLB - Glutathione Niacinamide Ampoule Serum 40ml","description":"\u003cp\u003eAPLB Glutathione Niacinamide Ampoule Serum pairs 1,000ppm glutathione with 20,000ppm niacinamide — a do-it-all Korean ampoule for skin that looks dull and uneven.\u003c\/p\u003e\u003ch2\u003eGlutathione, K-beauty’s brightening ingredient\u003c\/h2\u003e\u003cp\u003eGlutathione is an antioxidant that has been popular in Korea for years and is now gaining serious ground in the US. It’s one of the ingredients defining the tone-focused category in 2026.\u003c\/p\u003e\u003ch2\u003e20,000ppm niacinamide — what that means\u003c\/h2\u003e\u003cp\u003ePpm is parts per million, so 20,000ppm works out to 2% niacinamide. That’s a well-tolerated concentration — high enough to matter for tone and texture, low enough that most skin doesn’t react to it.\u003c\/p\u003e\u003ch2\u003eHyaluronic acid and beta-glucan\u003c\/h2\u003e\u003cp\u003eTwo humectants working together. Beta-glucan is a polysaccharide from oats, yeast or mushrooms, used as a soothing moisture-binder alongside hyaluronic acid.\u003c\/p\u003e\u003ch2\u003eCollagen and adenosine\u003c\/h2\u003e\u003cp\u003eAdenosine is one of the most established ingredients in Korean formulas aimed at fine lines. On collagen, an honest note: topically it works as a surface humectant — the molecule is too large to rebuild anything deeper, regardless of what any label says.\u003c\/p\u003e\u003ch2\u003eCica complex for comfort\u003c\/h2\u003e\u003cp\u003eCentella keeps the formula comfortable on skin that reacts to brightening actives — which is a common problem with this category.\u003c\/p\u003e\u003ch2\u003eRealistic timelines for tone\u003c\/h2\u003e\u003cp\u003eBrightening is slow work. Expect eight to twelve weeks of daily use, and only with sunscreen every morning — new pigment forms as fast as old pigment fades without it. Any product promising faster is overselling.\u003c\/p\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eAfter toner, dispense an appropriate amount and pat gently into slightly damp skin across face and neck until absorbed. Follow with moisturizer, and sunscreen in the morning. Use morning and evening.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhat is glutathione in skincare?\u003c\/h3\u003e\u003cp\u003eAn antioxidant used in formulas aimed at radiance and an even-looking complexion. Long established in Korea, newer to the US market.\u003c\/p\u003e\u003ch3\u003eCan I use it with vitamin C?\u003c\/h3\u003e\u003cp\u003eYes — antioxidants layer well together. Introduce one new active at a time so you know what your skin is responding to.\u003c\/p\u003e\u003ch3\u003eIs it suitable for sensitive skin?\u003c\/h3\u003e\u003cp\u003eThe cica complex is there for exactly that. Patch test first if your skin reacts easily.\u003c\/p\u003e\u003ch3\u003eDoes it help with dark spots?\u003c\/h3\u003e\u003cp\u003eIt works on how they look, gradually. Sunscreen determines whether that progress holds — it matters more than the serum.\u003c\/p\u003e\u003ch3\u003eWhere does it go in my routine?\u003c\/h3\u003e\u003cp\u003eAfter toner, before moisturizer. Pat into damp skin, then seal.\u003c\/p\u003e\u003ch2\u003ePairs well with\u003c\/h2\u003e\u003cp\u003eContinue with the \u003ca href=\"https:\/\/k-touch.us\/products\/aplb-glutathione-niacinamide-facial-cream-55ml\"\u003eGlutathione Facial Cream\u003c\/a\u003e. Browse \u003ca href=\"https:\/\/k-touch.us\/collections\/niacinamide\"\u003eniacinamide\u003c\/a\u003e, \u003ca href=\"https:\/\/k-touch.us\/collections\/brightening-even-skin-tone\"\u003ebrightening\u003c\/a\u003e and \u003ca href=\"https:\/\/k-touch.us\/collections\/korean-serums\"\u003eKorean serums\u003c\/a\u003e.\u003c\/p\u003e","brand":"APLB","offers":[{"title":"Default Title","offer_id":48606786617566,"sku":"8874461191","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/9453\/6926\/files\/D3B35EB8-A51A-4472-9E80-D2BCB64EEFBD.png?v=1787282933","url":"https:\/\/k-touch.us\/fr\/products\/aplb-glutathione-niacinamide-ampoule-serum-40ml","provider":"K-Touch","version":"1.0","type":"link"}