{"id":27329,"date":"2026-04-17T17:50:17","date_gmt":"2026-04-17T15:50:17","guid":{"rendered":"https:\/\/tretinoins.com\/k-secret-glow-serum-niacinamide-15-yuja-30ml\/"},"modified":"2026-04-17T17:50:17","modified_gmt":"2026-04-17T15:50:17","slug":"k-secret-glow-serum-niacinamide-15-yuja-30ml","status":"publish","type":"product","link":"https:\/\/tretinoins.com\/fr\/k-secret-glow-serum-niacinamide-15-yuja-30ml\/","title":{"rendered":"K-Secret, Glow Serum Niacinamide 15% + Yuja, 30ml"},"content":{"rendered":"<h1>TITLE<br \/>K-Secret, Glow Serum Niacinamide 15% + Yuja, 30ml<\/h1>\n<p>INTRO<br \/>K-Secret, Glow Serum Niacinamide 15% + Yuja, 30ml helps support a brighter, more even complexion with concentrated niacinamide and yuja extract. This glow serum contributes to skin hydration, tone improvement and lightweight daily care.<\/p>\n<h3>Unique features<\/h3>\n<ul>\n<li>Concentration: The serum contains a high 15% niacinamide concentration for visible tone correction. The formula is lightweight and absorbs quickly for daily use.<\/li>\n<li>Texture: Agar capsule technology helps reduce moisture loss while delivering a non-greasy finish. The texture layers easily under moisturisers and sunscreen.<\/li>\n<li>Formulation: Enriched with yuja (Citrus junos) for antioxidant support and added radiance. The product balances brightening actives with hydrating agents for everyday care.<\/li>\n<\/ul>\n<h3>Main benefits<\/h3>\n<ul>\n<li>Brightening: Targets dullness and uneven tone to reveal a more luminous complexion. Regular use supports a clearer, more uniform skin appearance.<\/li>\n<li>Pore &amp; Texture: Helps refine the look of pores and smooth surface texture. The serum contributes to a visibly improved skin clarity when layered in a routine.<\/li>\n<li>Hydration: Contains humectants and skin-conditioning ingredients to maintain moisture. The lightweight formula keeps skin hydrated without heaviness.<\/li>\n<\/ul>\n<h3>Key ingredients<\/h3>\n<ul>\n<li>Niacinamide: A multi-purpose brightening and barrier-supporting ingredient used at 15%. Niacinamide helps reduce the appearance of dark spots and improves texture.<\/li>\n<li>Yuja (Citrus junos): Provides antioxidant and revitalizing support to boost radiance. Yuja contributes vitamin C\u2013rich extract for fresh, glowing skin.<\/li>\n<li>Support Actives: Squalane, panthenol and sodium hyaluronate help hydrate and calm the skin. These ingredients support overall skin comfort and moisture retention.<\/li>\n<\/ul>\n<h3>How to use<\/h3>\n<ul>\n<li>Mornings &amp; Evenings: Apply a few drops to cleansed, toned skin after water-based steps. Gently pat until absorbed and follow with moisturiser and sunscreen in the AM.<\/li>\n<li>Layering: Use under heavier creams or oils as part of your routine. The serum is lightweight and suitable for layering with other treatments.<\/li>\n<li>Frequency: Start with once daily if you have sensitive skin and increase to twice daily as tolerated. Always patch-test new active products before full-face application.<\/li>\n<\/ul>\n<h3>How does it work?<\/h3>\n<ul>\n<li>Action: Niacinamide works to regulate skin tone and support barrier function over time. Antioxidant-rich yuja helps neutralise environmental stressors and adds visible radiance.<\/li>\n<li>Delivery: Lightweight serum base ensures rapid absorption and even dispersion of actives. Agar capsule technology helps prolong hydration and comfort on skin.<\/li>\n<li>Result: Consistent use supports a brighter, more even complexion and improved texture. The K-Secret, Glow Serum Niacinamide 15% + Yuja, 30ml helps support daily revitalization and care.<\/li>\n<\/ul>\n<h3>Directions for use<\/h3>\n<ul>\n<li>Start: Cleanse and tone before application to prepare the skin. Dispense a few drops and smooth over face and neck, avoiding the eye area.<\/li>\n<li>Follow-up: After absorption, apply moisturiser and SPF for daytime protection. Use sunscreen daily when using brightening actives.<\/li>\n<li>Precautions: Avoid mixing strong acids in the same application with high-dose niacinamide if irritation occurs. Discontinue if irritation develops and consult a dermatologist.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A lightweight brightening serum with 15% niacinamide and yuja extract that helps support a more even, radiant complexion. Fast-absorbing formula suitable for daily layering.<\/p>\n","protected":false},"featured_media":23468,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_cat":[2280,2153,2763,1654,2764,1655],"product_tag":[],"class_list":["post-27329","product","type-product","status-publish","has-post-thumbnail","product_cat-face-creams-2","product_cat-face-creams","product_cat-face-serums","product_cat-korean-cosmetics","product_cat-serums","product_cat-skincare","pa_brands-k-secret","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/tretinoins.com\/fr\/wp-json\/wp\/v2\/product\/27329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tretinoins.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/tretinoins.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/tretinoins.com\/fr\/wp-json\/wp\/v2\/comments?post=27329"}],"version-history":[{"count":0,"href":"https:\/\/tretinoins.com\/fr\/wp-json\/wp\/v2\/product\/27329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tretinoins.com\/fr\/wp-json\/wp\/v2\/media\/23468"}],"wp:attachment":[{"href":"https:\/\/tretinoins.com\/fr\/wp-json\/wp\/v2\/media?parent=27329"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/tretinoins.com\/fr\/wp-json\/wp\/v2\/product_cat?post=27329"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/tretinoins.com\/fr\/wp-json\/wp\/v2\/product_tag?post=27329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}