{"product_id":"k-secret-seoul-1988-glow-serum-niacinamide-15-yuja","title":"K-SECRET SEOUL 1988 Ορός Λάμψης: Νιασιναμίδη 15% + Yuja","description":"\u003ch1 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eK-SECRET Seoul 1988 Glow Serum — Niacinamide 15% + Yuja 30ml\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eSeoul's most-loved glow formula, now in your routine. The \u003cstrong\u003eK-SECRET Seoul 1988 Glow Serum\u003c\/strong\u003e is a high-strength Korean brightening serum built around 15% Niacinamide and Citrus Junos (Yuja) Fruit Oil to help brighten dull skin and deliver an even-toned complexion— all in a lightweight, fast-absorbing texture that works morning and night without heaviness or grease. A potent brightening complex of Glutathione and Tranexamic Acid targets pigmentation and fades the appearance of old blemishes and redness for a clearer, more uniform complexion. \u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eInspired by Seoul, perfected by derma — K-SECRET blends traditional Korean beauty wisdom with modern skincare science  to deliver a serum that tackles dullness, dark spots, uneven texture, and dehydration simultaneously, with just a few drops.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWhy it works:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e15% Niacinamide (Vitamin B3)\u003c\/strong\u003e — strengthens, smooths, and brightens skin while regulating oil production, minimising pores, and improving visible signs of ageing — at 15% this is a clinical-strength concentration that delivers results faster than standard 5–10% formulas\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eYuja (Citrus Junos) Fruit Oil\u003c\/strong\u003e — packed with antioxidants and Vitamin C for a radiant glow and protection against environmental stressors  — Yuja is Korea's answer to lemon, beloved for its exceptional brightening and skin-conditioning properties\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eGlutathione\u003c\/strong\u003e — an antioxidant that helps fight free radicals and supports skin brightening , targeting stubborn pigmentation and post-breakout marks from within\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTranexamic Acid\u003c\/strong\u003e — fades dark spots, sun damage, and hyperpigmentation at a deeper level by interrupting melanin transfer in the skin\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSodium Ascorbyl Phosphate (Vitamin C)\u003c\/strong\u003e — a stable, non-irritating form of Vitamin C that amplifies the brightening effect of the Niacinamide and Yuja complex\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSqualane \u0026amp; Shea Butter\u003c\/strong\u003e — plump the skin and provide lasting moisture for a smoother, more supple feel  without clogging pores or leaving a greasy finish\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePanthenol (Vitamin B5)\u003c\/strong\u003e — deeply hydrates and soothes sensitive or dehydrated skin , reinforcing the skin barrier as the actives work\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSodium Hyaluronate \u0026amp; Beta-Glucan\u003c\/strong\u003e — dual-action hydration that draws moisture in and locks it in for a visibly plumper, dewier complexion\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eAdenosine\u003c\/strong\u003e — clinically proven to soften fine lines and support skin firmness over time\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTurmeric Root Extract \u0026amp; Tranexamic Acid\u003c\/strong\u003e — additional skin brightening actives that work synergistically with Niacinamide for a comprehensive multi-pathway brightening approach \u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eFree from harsh alcohols, parabens, silicones, and sulfates  — suitable for all skin types including sensitive\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eHow to use:\u003c\/strong\u003e After cleansing and toning, take 3–5 drops of the serum and spread evenly over the entire face.  Gently pat with fingertips until fully absorbed. Follow with moisturiser. Suitable for morning and evening use. Always apply SPF in the morning when using brightening actives.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e All skin types · Especially dull, dry skin, pigmentation, uneven texture, and troubled skin · Sensitive skin · Fragrance-free · Made in Korea 🇰🇷\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWhy Seoulma recommends it:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe brightening serum category is one of the most crowded in K-Beauty — and it's also one where quality varies enormously. Most brightening serums either use low concentrations that take forever to work, or they go heavy on actives without supporting ingredients to keep the skin barrier healthy. The K-SECRET Seoul 1988 Glow Serum gets the balance exactly right.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe 15% Niacinamide concentration is the headline, and it earns that spotlight. At this level you're genuinely in clinical territory — this is the kind of concentration that delivers visible changes in skin tone, pore size, and texture within weeks, not months. But what makes this serum smarter than just a high-dose Niacinamide formula is the supporting cast around it. Glutathione, Tranexamic Acid, and Sodium Ascorbyl Phosphate all work on pigmentation through completely different pathways — so rather than hammering one mechanism, the formula is attacking dark spots and uneven tone from three directions at once.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Yuja oil is also genuinely special. Yuja — the Korean citron — has been used in Korean wellness for generations, and its Vitamin C content and antioxidant profile are exceptional. It gives this serum a warmth and glow that pure Niacinamide formulas lack, and keeps the overall feel more like a luxury treatment than a clinical active.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWe recommend it as the go-to brightening step for anyone dealing with post-acne marks, sun spots, or that grey, dull tone that builds up from stress and pollution. Pair it with SPF every morning and a ceramide-rich moisturiser, and you'll see a difference in your skin tone within three to four weeks.\u003c\/p\u003e","brand":"K-secret","offers":[{"title":"Default Title","offer_id":56252585509196,"sku":"KSE-SER-002","price":24.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/2311\/7132\/files\/k-secret-seoul-1988-glow-serum-niacinamide-15-yuja-8214533.png?v=1773348535","url":"https:\/\/www.seoulma-skincare.com\/el\/products\/k-secret-seoul-1988-glow-serum-niacinamide-15-yuja","provider":"Seoulma-skincare","version":"1.0","type":"link"}