{"product_id":"cosrx-advanced-the-vitamin-c-23-serum-20ml","title":"COSRX Advanced The Vitamin C 23 Serum (20ml)","description":"\u003cp\u003e\u003cstrong\u003eCOSRX Advanced the Vitamin C 23 Serum\u003c\/strong\u003e is a high-strength Korean vitamin C serum formulated with \u003cstrong\u003e23% pure L-ascorbic acid\u003c\/strong\u003e to visibly brighten dull skin, target the look of dark spots, and refine uneven texture. Enhanced with \u003cstrong\u003eSuper Vitamin E\u003c\/strong\u003e and \u003cstrong\u003eGlutathione\u003c\/strong\u003e, it supports a more radiant, smoother-looking complexion with a lightweight, fast-absorbing finish.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-potency 23% Vitamin C\u003c\/strong\u003e for brightening and glow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntioxidant support\u003c\/strong\u003e with Vitamin E + Glutathione\u003c\/li\u003e\n\u003cli\u003eHelps improve the look of \u003cstrong\u003edark spots\u003c\/strong\u003e and uneven tone\u003c\/li\u003e\n\u003cli\u003eSupports smoother-looking texture and early signs of aging\u003c\/li\u003e\n\u003cli\u003eSize: \u003cstrong\u003e20ml\u003c\/strong\u003e (some markets label it as 20g)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003eBrightens the look of dullness and uneven tone\u003c\/li\u003e\n\u003cli\u003eTargets the appearance of dark spots and post-acne marks\u003c\/li\u003e\n\u003cli\u003eHelps refine the look of texture for smoother-looking skin\u003c\/li\u003e\n\u003cli\u003eAntioxidant support to help defend against environmental stressors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eHow to Use\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003eUse on clean, dry skin after toner (preferably \u003cstrong\u003ePM\u003c\/strong\u003e).\u003c\/li\u003e\n\u003cli\u003eApply 2–3 drops to face (avoid eye area). Follow with moisturizer.\u003c\/li\u003e\n\u003cli\u003eIf you’re new to strong vitamin C: start \u003cstrong\u003e2–3 nights\/week\u003c\/strong\u003e, then increase as tolerated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlways use sunscreen\u003c\/strong\u003e in the morning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage tip:\u003c\/strong\u003e keep tightly closed, away from heat\/light (cool storage recommended).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eKey Ingredients\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAscorbic Acid (23%)\u003c\/strong\u003e – pure vitamin C for brightening\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTocotrienols \/ Tocopherol (Vitamin E)\u003c\/strong\u003e – antioxidant support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlutathione\u003c\/strong\u003e – helps support a more even-looking tone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSodium Hyaluronate\u003c\/strong\u003e – hydration and plumping feel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanthenol\u003c\/strong\u003e – soothing support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSqualane\u003c\/strong\u003e – lightweight skin-conditioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eFAQ \u0026amp; Trust\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWho is it best for?\u003c\/strong\u003e Ideal for experienced vitamin C users seeking visible brightening and a firmer-looking glow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan sensitive skin use it?\u003c\/strong\u003e If sensitive, introduce slowly and patch test first due to the high strength of pure vitamin C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLayering?\u003c\/strong\u003e Avoid combining in the same routine with strong exfoliating acids if irritation occurs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e","brand":"COSRX","offers":[{"title":"Default Title","offer_id":44518641369132,"sku":null,"price":1150.0,"currency_code":"EGP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/7285\/3036\/files\/Untitled_1024_x_1024_px_-_2025-12-30T124422.695.jpg?v=1767092012","url":"https:\/\/nefreabeauty.com\/products\/cosrx-advanced-the-vitamin-c-23-serum-20ml","provider":"Nefrea Beauty","version":"1.0","type":"link"}