{"id":263907,"date":"2026-06-18T16:03:33","date_gmt":"2026-06-18T13:03:33","guid":{"rendered":"https:\/\/leyakoreya.ee\/?post_type=product&#038;p=263907"},"modified":"2026-10-02T08:02:55","modified_gmt":"2026-10-02T05:02:55","slug":"cosrx-advanced-the-vitamin-c-23-serum-20ml","status":"publish","type":"product","link":"https:\/\/leyakoreya.ee\/en\/product\/cosrx-advanced-the-vitamin-c-23-serum-20ml\/","title":{"rendered":"Cosrx Advanced The Vitamin C 23 Serum 20ml"},"content":{"rendered":"<p><strong>COSRX Advanced The Vitamin C 23 Serum<\/strong> is a high-potency serum formulated with 23% pure Vitamin C to help improve the appearance of dull, uneven skin and restore a healthy-looking glow.<\/p>\n<p>Designed for skin with uneven tone, post-acne marks, and early signs of aging, this concentrated formula helps brighten the complexion and improve overall skin radiance. Its dual-layer water-and-oil system provides added hydration while helping maintain the stability and effectiveness of Vitamin C. Niacinamide and Vitamin E provide antioxidant support, while Squalane and Hyaluronic Acid help keep the skin hydrated and comfortable.<\/p>\n<p><strong>Benefits<\/strong><\/p>\n<ul>\n<li>Helps improve uneven skin tone<\/li>\n<li>Enhances skin radiance and freshness<\/li>\n<li>Reduces the appearance of dullness<\/li>\n<li>Provides antioxidant protection<\/li>\n<li>Helps maintain hydration and comfort<\/li>\n<li>Suitable for regular use<\/li>\n<\/ul>\n<p><strong>Suitable For<\/strong><\/p>\n<ul>\n<li>Dull skin<\/li>\n<li>Uneven skin tone<\/li>\n<li>Skin with post-acne marks<\/li>\n<li>Skin showing early signs of aging<\/li>\n<\/ul>\n<p><strong>Key Ingredients<\/strong><\/p>\n<ul>\n<li><strong>Ascorbic Acid (23% Vitamin C)<\/strong> \u2013 helps brighten the skin and improve overall radiance.<\/li>\n<li><strong>Niacinamide<\/strong> \u2013 helps promote a more even-looking complexion.<\/li>\n<li><strong>Sodium Hyaluronate<\/strong> \u2013 helps retain moisture and maintain skin hydration.<\/li>\n<li><strong>Tocopherol &amp; Tocotrienols (Vitamin E)<\/strong> \u2013 provide antioxidant protection and support skin health.<\/li>\n<li><strong>Squalane<\/strong> \u2013 helps soften the skin and prevent moisture loss.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p><strong>Advanced Vitamin C 23 Serum<\/strong><\/p>\n","protected":false},"featured_media":263883,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[10166],"product_cat":[3948,3915,4613,3969,4486,4028,4548,4293,4506,4349,4467,4363,4629,4526,4564,4784,4772,4596,4679,4682,4627,4317,11036],"product_tag":[],"class_list":["post-263907","product","type-product","status-publish","has-post-thumbnail","product_brand-cosrx-en","product_cat-7-emulsion-en","product_cat-10-step-skin-care-routine-en","product_cat-acne-skin-en","product_cat-brands-en","product_cat-combination-skin-en","product_cat-cosrx-en","product_cat-dry-skin-en","product_cat-ingredients-en","product_cat-normal-skin-en","product_cat-oils-en","product_cat-oily-skin-en","product_cat-panthenol-en","product_cat-dark-spots-en","product_cat-problem-skin-en","product_cat-sensitive-skin-en","product_cat-serum-en","product_cat-4-treatment-en","product_cat-skin-problems-en","product_cat-skin-type-en","product_cat-skincare-en","product_cat-uneven-skin-tone-en","product_cat-vitamin-c-en","product_cat-vitamin-e-en","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"meta_data":[],"price_excl_tax":"12.701613","_links":{"self":[{"href":"https:\/\/leyakoreya.ee\/en\/wp-json\/wp\/v2\/product\/263907","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/leyakoreya.ee\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/leyakoreya.ee\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/leyakoreya.ee\/en\/wp-json\/wp\/v2\/comments?post=263907"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/leyakoreya.ee\/en\/wp-json\/wp\/v2\/media\/263883"}],"wp:attachment":[{"href":"https:\/\/leyakoreya.ee\/en\/wp-json\/wp\/v2\/media?parent=263907"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/leyakoreya.ee\/en\/wp-json\/wp\/v2\/product_brand?post=263907"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/leyakoreya.ee\/en\/wp-json\/wp\/v2\/product_cat?post=263907"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/leyakoreya.ee\/en\/wp-json\/wp\/v2\/product_tag?post=263907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}