{"product_id":"cosrx-advanced-pure-vitamin-c-23-serum-with-vitamin-e-glutathione-renewal-0-67-oz","title":"COSRX Advanced Pure Vitamin C 23% Serum with Vitamin E \u0026 Glutathione – Renewal, 0.67 oz","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eCOSRX Advanced Pure Vitamin C 23% Serum with Vitamin E and Glutathione (Renewal) delivers a lightweight daily treatment designed to fit into busy skincare routines. The fragrance-free formula focuses on a strong vitamin C core while maintaining a smooth, non-sticky finish that layers easily with other products.\u003c\/p\u003e\u003cp\u003eAt its core is 23% pure vitamin C, complemented by antioxidant teammates Vitamin E and Glutathione. This trio forms an antioxidant network intended to support a radiant complexion without heaviness. The renewal version preserves potency while removing the scent many users used to notice.\u003c\/p\u003e\u003ch3\u003eKey ingredients and formula\u003c\/h3\u003e\u003cp\u003ePure Vitamin C (Ascorbic Acid) helps illuminate the skin tone while a Super Vitamin E (Tocotrienol) contributes to resilience and helps reduce the feel of aging signs. Glutathione supports dullness and uneven tone. The formula remains lightweight and non-sticky, making it suitable for layering with moisturizers and sunscreen. \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUpgraded fragrance-free formula for better daily use while keeping the 23% vitamin C concentration.\u003c\/li\u003e\n\u003cli\u003eNon-sticky, fast-absorbing texture that blends well under makeup or moisturizers.\u003c\/li\u003e\n\u003cli\u003eAntioxidant synergy among vitamin C, vitamin E, and glutathione to support a bright-looking complexion.\u003c\/li\u003e\n\u003cli\u003eDermatological-grade ingredients intended to address dullness and uneven tone over time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat it can do for your skin\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMay help brighten a dull complexion with consistent use.\u003c\/li\u003e\n\u003cli\u003eMay support a more even tone when used over time.\u003c\/li\u003e\n\u003cli\u003eLightweight formula that layers well with serums, moisturizers, and sunscreen.\u003c\/li\u003e\n\u003cli\u003eFragrance-free option that suits sensitive skin on a daily basis.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eShake 1–2 times before use and apply 2–3 drops once or twice daily.\u003c\/li\u003e\n\u003cli\u003eFor daytime wear, follow with SPF 30+ sunscreen.\u003c\/li\u003e\n\u003cli\u003eAvoid direct eye contact; it can be applied near the eye area with caution.\u003c\/li\u003e\n\u003cli\u003eAfter opening, refrigerate to slow oxidation and preserve potency.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReal-world use and tips\u003c\/h3\u003e\u003cp\u003eMany users reach for this serum on mornings when a quick radiance boost is desired. It can be used as a stand-alone treatment or layered within a simple routine to enhance glow. Consistency may influence perceived brightness and evenness over time.\u003c\/p\u003e\u003ch3\u003eSafety and storage\u003c\/h3\u003e\u003cp\u003ePatch testing is recommended before first use. Store in a cool, dark place and refrigerate after opening to maintain freshness.\u003c\/p\u003e\u003ch3\u003eWho this is for\u003c\/h3\u003e\u003cp\u003eIdeal for those seeking a lightweight daily treatment to address dullness, uneven tone, or early signs of aging without fragrance.\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: What makes COSRX Advanced Pure Vitamin C 23% Serum unique?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A lightweight blend of 23% vitamin C with vitamin E and glutathione, designed for daily use without a scent.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I use this serum for best results?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Shake well, apply 2–3 drops once or twice daily, and finish with SPF; refrigerate after opening.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"COSRX","offers":[{"title":"Default Title","offer_id":56235358388556,"sku":"B0FWQGLTQV","price":37.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1005\/5912\/6860\/files\/cosrx-advanced-pure-vitamin-c-serum-bottle-closeup-glow-boost.jpg?v=1765746103","url":"https:\/\/belvera.co.uk\/products\/cosrx-advanced-pure-vitamin-c-23-serum-with-vitamin-e-glutathione-renewal-0-67-oz","provider":"Belvera | British Beauty, Skin Care \u0026 Personal Wellness","version":"1.0","type":"link"}