{"product_id":"cosrx-the-vitamin-c-23-serum","title":"COSRX The Vitamin C 23 Serum","description":"\u003cp\u003e\u003cspan\u003eCOSRX The Vitamin C 23 Serum is a potent, dual-layer serum featuring 23% pure L-ascorbic acid. It combines a vitamin C-rich aqueous layer with an oil layer, delivering both brightening benefits and a moisturizing finish\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey Ingredients \u0026amp; Benefits:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e23% Ascorbic Acid: Offers antioxidant protection, boosts elasticity, brightens skin tone, and helps reduce wrinkles\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuper Vitamin E (Tocotrienols): Delivers up to 50× stronger antioxidant activity than standard vitamin E and supports collagen production\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHyaluronic Acid: Hydrates the skin with lasting moisture retention\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAllantoin: Calms and soothes irritation\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhat It Targets:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHyperpigmentation and dark spots\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDullness and uneven skin tone\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSigns of aging, such as fine lines and loss of elasticity \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUsage \u0026amp; Storage Instructions:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eShake well to blend the two layers before each use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApply a few drops onto skin after cleansing, gently massaging from the face’s center outward\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStore refrigerated (3–10 °C) to maintain freshness; use within 2 months of opening\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSafe for AM\/PM use. In the morning, always apply SPF 30+ subsequently\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHow It’s Received\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGQ praises it as a top budget vitamin C serum, noting its rapid brightening effects even on stubborn discoloration—though it’s best suited for those already familiar with strong vitamin C serums\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eReddit feedback varies:\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e“23 percent is too strong and not recommended… 5–20 percent should be the percentage.”\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e(Potential for irritation if new to high-dose C)\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003e.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eOn the flipside:\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e“Before I started using it (23%)… A month after I started using it… 10\/10.”\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e(Some users experienced excellent results without irritation)\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Cosrx","offers":[{"title":"20 g","offer_id":52048432824536,"sku":null,"price":811.0,"currency_code":"EGP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/8990\/2552\/files\/IMG-9260.jpg?v=1785248232","url":"https:\/\/feryandlola.com\/products\/cosrx-the-vitamin-c-23-serum","provider":"Fery \u0026 Lola","version":"1.0","type":"link"}