{"title":"Niacinamide","description":"\u003cp\u003eNiacinamide is one of the few actives on this list backed by solid human clinical trials: soothing, sebum-regulating and tone-evening by limiting melanosome transfer. Effective from 4-5%, formulas at 15-20% are mostly marketing. Pairs with almost any active, except AHA\/BHA in the same layer.\u003c\/p\u003e\n\u003ch2\u003eHow to choose\u003c\/h2\u003e\n\u003cp\u003eFor established dark spots or an uneven tone, a niacinamide serum morning and evening remains the best-documented step, provided you add daily sun protection. For combination to oily skin with visible pores, choose a watery texture or a toner pad, which regulates sebum without weighing the skin down. For sensitive skin, niacinamide is well tolerated up to about 5%; beyond that, a passing flush may appear with no added benefit. The famous \"flush\" with vitamin C is a myth: the two actives layer without any problem.\u003c\/p\u003e\n\u003ch2\u003ePair it with\u003c\/h2\u003e\n\u003cp\u003eBrowse our targeted \u003ca href=\"\/en-gb\/collections\/taches-teint-terne\"\u003edark spots and dull skin\u003c\/a\u003e products, our \u003ca href=\"\/en-gb\/collections\/acne-pores\"\u003eacne and pores\u003c\/a\u003e selection and our \u003ca href=\"\/en-gb\/collections\/vitamine-c\"\u003evitamin C\u003c\/a\u003e serums to complete the work on radiance.\u003c\/p\u003e","products":[{"product_id":"beauty-of-joseon-relief-sun-rice-niacinamide-spf50","title":"Beauty of Joseon Relief Sun: Rice + Niacinamide SPF50+","description":"\u003cp\u003eA fluid, comfortable \u003ca href=\"\/en-gb\/collections\/solaires-spf-coreens\"\u003esun protection\u003c\/a\u003e that leaves a luminous finish with no white cast. One of the best-known Korean sunscreens, praised for a texture that never feels greasy.\u003c\/p\u003e\n\u003ch2\u003eWhy we love it\u003c\/h2\u003e\n\u003cp\u003eAn SPF50+ PA++++ with organic filters, in a light cream texture that spreads like a moisturiser and disappears without a white cast, even on deeper skin tones. Formulated with rice extract and ferments from \u003ca href=\"\/en-gb\/collections\/riz-hanbang\"\u003eHanbang\u003c\/a\u003e, rich in antioxidants, plus niacinamide to even out the complexion. What the science says: niacinamide is one of the best-documented actives in cosmetics; rice extracts bring ferulic acid and gamma-oryzanol, with a supporting antioxidant role. Protection remains the heart of the product, and it is what makes every dark spot treatment work.\u003c\/p\u003e\n\u003ch2\u003eHow to use it\u003c\/h2\u003e\n\u003cp\u003eEvery morning as the last step of the routine, after cream, in a generous amount (two finger lengths for face and neck). Reapply every two hours during prolonged exposure or after swimming. Remove in the evening with a cleansing oil. Essential alongside retinol, an exfoliant or a dark spot treatment.\u003c\/p\u003e\n\u003ch2\u003eWho it is for\u003c\/h2\u003e\n\u003cp\u003eAll skin types, including combination to oily, and anyone who gave up daily SPF because of heavy textures. Suits sensitive skin, with no added fragrance.\u003c\/p\u003e","brand":"Beauty of Joseon","offers":[{"title":"50 ml","offer_id":53777115152650,"sku":"BOJ-RELIEFSUN-50","price":17.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/7152\/3338\/files\/boj_sun_candidate_b60a1b13-a4c9-454b-b17c-84fc8762aa80.jpg?v=1790082271"},{"product_id":"beauty-of-joseon-glow-serum-propolis-niacinamide","title":"Beauty of Joseon Glow Serum: Propolis + Niacinamide","description":"\u003cp\u003eA silky serum that brings instant radiance without clogging pores. A staple of the Korean \"glow\" routine, for a brighter complexion and visibly tighter pores.\u003c\/p\u003e\n\u003ch2\u003eWhy we love it\u003c\/h2\u003e\n\u003cp\u003eIt pairs \u003ca href=\"\/en-gb\/collections\/propolis\"\u003epropolis\u003c\/a\u003e extract at around 60% with \u003ca href=\"\/en-gb\/collections\/niacinamide\"\u003eniacinamide\u003c\/a\u003e at 2%. What the science says: propolis, rich in flavonoids, has soothing and purifying properties well documented in vitro; niacinamide acts on sebum, radiance and pores through proven mechanisms. Together they give a light honey texture that melts into the skin and leaves a satin finish, without stickiness. Expert note: propolis can sensitise people allergic to bee products or fragrances; a test on a small area is recommended if in doubt.\u003c\/p\u003e\n\u003ch2\u003eHow to use it\u003c\/h2\u003e\n\u003cp\u003eMorning and\/or evening after the toner, apply two or three drops and massage until absorbed, before moisturiser. In the morning it goes under sun protection. Compatible with vitamin C, centella or hyaluronic acid; avoid the same layer as an acid exfoliant, which reduces the effectiveness of niacinamide.\u003c\/p\u003e\n\u003ch2\u003eWho it is for\u003c\/h2\u003e\n\u003cp\u003eDull, tired skin or skin with visible pores, combination to oily skin seeking radiance without oil, and normal skin looking for a natural glow finish. Avoid in case of known propolis allergy.\u003c\/p\u003e","brand":"Beauty of Joseon","offers":[{"title":"30 ml","offer_id":53777115185418,"sku":"BOJ-GLOWSERUM-30","price":18.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/7152\/3338\/files\/boj_glow_candidate_d069e0f2-20b8-4b9e-a3d4-3b3b2c55d38b.jpg?v=1790082271"},{"product_id":"axis-y-dark-spot-correcting-glow-serum","title":"AXIS-Y Dark Spot Correcting Glow Serum","description":"\u003cp\u003eA light serum that absorbs quickly and leaves a luminous finish without stickiness. More than 20 million units sold, regularly out of stock: one of the most acclaimed Korean serums for radiance.\u003c\/p\u003e\n\u003ch2\u003eWhy we love it\u003c\/h2\u003e\n\u003cp\u003eIt pairs 5% \u003ca href=\"\/en-gb\/collections\/niacinamide\"\u003eniacinamide\u003c\/a\u003e with squalane, papaya extract and a complex of plant extracts. What the science says: niacinamide, effective from 4 to 5%, fades dark spots by blocking the transfer of melanosomes to the surface, regulates sebum and reduces inflammation, all well-documented mechanisms; above this concentration, increasing it brings no demonstrated benefit. Squalane hydrates and smooths without oil. Results settle in over four to eight weeks: a more even complexion, faded post-acne marks, a more regular glow.\u003c\/p\u003e\n\u003ch2\u003eHow to use it\u003c\/h2\u003e\n\u003cp\u003eMorning and evening after the toner, apply one pump over the whole face focusing on marked areas, then follow with cream. In the morning, finish with sun protection, without which no result on dark spots lasts. Compatible with vitamin C, centella and hyaluronic acid; avoid the same layer as an acid exfoliant.\u003c\/p\u003e\n\u003ch2\u003eWho it is for\u003c\/h2\u003e\n\u003cp\u003eSkin marked by post-acne spots, uneven or dull complexion, combination to oily blemish-prone skin. All skin types, including sensitive. To include in a \u003ca href=\"\/en-gb\/collections\/taches-teint-terne\"\u003edark spots and dull skin\u003c\/a\u003e routine.\u003c\/p\u003e","brand":"AXIS-Y","offers":[{"title":"50 ml","offer_id":53779455705354,"sku":"AXISY-DARKSPOT-50","price":21.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/7152\/3338\/files\/axisy_candidate3_8ec1e832-041d-4e23-8ff5-a4423f5ec415.jpg?v=1790082278"},{"product_id":"routine-eclat-taches-beauty-of-joseon-axis-y-mixsoon","title":"Glow \u0026 Dark Spot Routine (Beauty of Joseon, AXIS-Y, Mixsoon) (3 products)","description":"\u003cp\u003eTwo targeted glow and dark spot serums and a fermented essence to prepare the skin, to combine according to your needs of the moment. A ready-made gift idea to introduce someone to the Korean routine.\u003c\/p\u003e\n\u003ch2\u003eWhy we love it\u003c\/h2\u003e\n\u003cp\u003eMixsoon's fermented Bean Essence prepares the skin and smooths texture, Beauty of Joseon's propolis + niacinamide Glow Serum brightens the complexion, and AXIS-Y's Dark Spot Serum (more than 20 million units sold) specifically targets \u003ca href=\"\/en-gb\/collections\/taches-teint-terne\"\u003edark spots\u003c\/a\u003e with its 5% \u003ca href=\"\/en-gb\/collections\/niacinamide\"\u003eniacinamide\u003c\/a\u003e. What the science says: niacinamide, effective from 4 to 5%, blocks melanosome transfer and regulates sebum, among the best-documented mechanisms in cosmetics; propolis brings antioxidant and soothing action. Three light textures that layer without stickiness.\u003c\/p\u003e\n\u003ch2\u003eHow to use it\u003c\/h2\u003e\n\u003cp\u003eAfter cleansing and toner: the essence first, morning and evening. Then one serum of your choice depending on the moment: Glow Serum in the morning for radiance, Dark Spot Serum in the evening on marked areas. Finish with cream and, in the morning, with sun protection, essential for results on dark spots to last. Note: propolis can sensitise people allergic to bee products.\u003c\/p\u003e\n\u003ch2\u003eWho it is for\u003c\/h2\u003e\n\u003cp\u003eDull skin, uneven complexion, post-acne marks, and combination to oily skin seeking radiance without oil. All skin types, including sensitive.\u003c\/p\u003e","brand":"Glasskin Beauty","offers":[{"title":"Default Title","offer_id":53785755320586,"sku":"GKB-ROUTINE-ECLAT","price":54.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/7152\/3338\/files\/coffret-routine-eclat-beauty-of-joseon-axis-y-mixsoon.jpg?v=1791574600"},{"product_id":"biodance-radiant-vita-niacinamide-real-deep-mask-masque-hydrogel-eclat-boite-de-4","title":"Biodance Radiant Vita Niacinamide Real Deep Mask — Radiance, 4 masks","description":"\u003cp\u003eLike the Bio-Collagen, this mask comes as a single piece of golden hydrogel that hugs the entire face without a two-piece cut. Its rich, melting texture releases a concentrated essence that glides over the skin and leaves a fresh finish, with no sticky feel.\u003c\/p\u003e\n\u003ch2\u003eWhy we love it\u003c\/h2\u003e\n\u003cp\u003eNiacinamide works through several documented mechanisms: soothing, sebum-regulating, and brightening by limiting the transfer of melanin from melanocytes to skin cells, a mechanism demonstrated as early as 2002 by research on this active ingredient, effective from a concentration of 4 to 5%. Combined here with pineapple fruit water and glutathione, it targets dull skin tone and dark spots without disrupting the skin barrier. Made in the same single-piece hydrogel format that made its Bio-Collagen sibling go viral on social media in the West, this radiance mask belongs to the same Real Deep Mask range, a rising reference in intensive Korean skincare.\u003c\/p\u003e\n\u003ch2\u003eHow to use it\u003c\/h2\u003e\n\u003cp\u003eAfter cleansing and toner, unfold the mask onto dry skin, adjust it around the eyes and mouth, leave on for 20 to 30 minutes, then remove and massage in the leftover essence until fully absorbed, without rinsing. Once or twice a week, preferably in the evening; the next day, sun protection helps preserve the radiance achieved.\u003c\/p\u003e\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eDull, tired skin or skin marked by post-acne spots, combination to oily skin with visible pores, and any skin looking for a well-tolerated radiance boost. Suitable for sensitive skin at the niacinamide dose used here. Discover our other treatments in the \u003ca href=\"\/en-gb\/collections\/masques\"\u003eMasks\u003c\/a\u003e and \u003ca href=\"\/en-gb\/collections\/niacinamide\"\u003eNiacinamide\u003c\/a\u003e collections.\u003c\/p\u003e","brand":"Biodance","offers":[{"title":"Default Title","offer_id":53801695969546,"sku":"BIODANCE-NIACINAMIDE","price":22.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/7152\/3338\/files\/biodance-radiant-vita-niacinamide-real-deep-mask.jpg?v=1790196821"},{"product_id":"anua-zero-cast-moisturizing-finish-sunscreen-ecran-solaire-spf50-hydratant","title":"Anua Zero-Cast Moisturizing Finish Sunscreen — Hydrating SPF50, 50 ml","description":"\u003cp\u003eA fluid sunscreen that absorbs instantly without leaving a white cast or greasy film, for skin that breathes all day long.\u003c\/p\u003e\n\u003ch2\u003eWhy we love it\u003c\/h2\u003e\n\u003cp\u003eFormulated with niacinamide and panthenol, recognized for their soothing and sebum-regulating properties, along with hyaluronic acid (sodium hyaluronate) and glycerin for long-lasting hydration — without the drying effect typical of many sunscreens. Broad-spectrum SPF50 protection, water-resistant (80 minutes), designed for daily use even in the most demanding climates — the kind of formula that has made Korean sun care a must-have in recent years. The \"zero cast\" finish keeps its promise on every skin tone, and the texture slips under makeup without pilling.\u003c\/p\u003e\n\u003ch2\u003eHow to use it\u003c\/h2\u003e\n\u003cp\u003eApply as the last step of your morning routine, in a generous amount (about a teaspoon for face and neck), and reapply every two hours during extended sun exposure. No sunscreen removes the need for reapplication: real protection comes from quantity and frequency, not the SPF number alone. Compatible with every active in the routine, including retinol and exfoliants the night before.\u003c\/p\u003e\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eCombination to oily skin that dreads the greasy film of sunscreens, sensitive or redness-prone skin thanks to panthenol, and anyone who wants a daily SPF that is easy to stick with. Discover all our \u003ca href=\"\/en-gb\/collections\/solaires-spf-coreens\"\u003eKorean SPF sunscreens\u003c\/a\u003e to complete your daily protection, and our other \u003ca href=\"\/en-gb\/collections\/niacinamide\"\u003eniacinamide\u003c\/a\u003e products.\u003c\/p\u003e","brand":"Anua","offers":[{"title":"Default Title","offer_id":53801697018122,"sku":"ANUA-ZEROCAST-50","price":22.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/7152\/3338\/files\/anua-zero-cast-moisturizing-finish-sunscreen.jpg?v=1790196915"},{"product_id":"celimax-pore-dark-spot-brightening-serum-serum-eclat-anti-taches","title":"celimax Pore+Dark Spot Brightening Serum — Anti-Dark Spot Serum, 30 ml","description":"\u003cp\u003eA fluid, non-sticky serum that absorbs quickly, leaving the skin comfortable with no greasy film. A targeted formula for skin marked by post-acne spots or a dull complexion.\u003c\/p\u003e\n\u003ch2\u003eWhy we love it\u003c\/h2\u003e\n\u003cp\u003eFormulated with 5% \u003ca href=\"\/en-gb\/collections\/niacinamide\"\u003eniacinamide\u003c\/a\u003e, combined with tranexamic acid and the brand's Melazero V2 complex, to target dark spots, tighten the look of pores and even out the complexion. What the science says: niacinamide's tone-evening action, which limits melanosome transfer, is one of the best documented in cosmetics, effective from 4 to 5%; tranexamic acid is recognised as a soothing, evening agent, widely used against pigment spots. Results build over four to eight weeks, and only last with daily sun protection.\u003c\/p\u003e\n\u003ch2\u003eHow to use it\u003c\/h2\u003e\n\u003cp\u003eMorning and\/or evening after the toner, apply one pump over the whole face focusing on marked areas, then follow with moisturiser. In the morning, finish with SPF. Compatible with vitamin C, centella and hyaluronic acid; avoid the same layer as an acid exfoliant, which reduces the effectiveness of niacinamide. Fits easily into a skip-care routine.\u003c\/p\u003e\n\u003ch2\u003eWho it is for\u003c\/h2\u003e\n\u003cp\u003eSkin marked by post-acne spots, uneven or dull complexion, visible pores, combination to oily skin. All skin types, including sensitive. Discover our selection dedicated to \u003ca href=\"\/en-gb\/collections\/taches-teint-terne\"\u003edark spots and dull skin\u003c\/a\u003e.\u003c\/p\u003e","brand":"CELIMAX","offers":[{"title":"Default Title","offer_id":53801697509642,"sku":"CELIMAX-POREDARKSPOT-30","price":23.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/7152\/3338\/files\/celimax-pore-dark-spot-brightening-serum.jpg?v=1790196919"},{"product_id":"medicube-txa-niacinamide-capsule-cream","title":"Medicube TXA Niacinamide Capsule Cream, 55 g","description":"\u003cp\u003eA two-tone, dual-texture cream: melting capsules and refreshing gel to mix according to the hydration you need at the moment. The capsule format, a strong visual identity for Medicube, makes it one of the brand's most recognisable creams.\u003c\/p\u003e\n\u003ch2\u003eWhy we love it\u003c\/h2\u003e\n\u003cp\u003eIt combines tranexamic acid (TXA) and \u003ca href=\"\/en-gb\/collections\/niacinamide\"\u003eniacinamide\u003c\/a\u003e, two complementary actives for the complexion. What the science says: niacinamide, effective from 4 to 5%, acts on radiance, sebum and dark spots by blocking melanosome transfer, with well-documented soothing properties; TXA is recognised as a soothing, evening agent widely used against pigment spots. The capsules bring richness, the gel brings freshness: you adjust the texture yourself, lighter in summer or on combination skin, more nourishing in winter. The finish is comfortable, without shine.\u003c\/p\u003e\n\u003ch2\u003eHow to use it\u003c\/h2\u003e\n\u003cp\u003eTake one capsule and a little gel in your palm, mix with the fingertips until the texture is even, adjust the proportions to your hydration needs, then apply morning and\/or evening as the last step of the routine. In the morning, finish with sun protection, essential for results on the complexion to last. Compatible with all actives.\u003c\/p\u003e\n\u003ch2\u003eWho it is for\u003c\/h2\u003e\n\u003cp\u003eUneven or dull complexion, post-acne marks, normal to combination skin wanting an adjustable cream. To include in a \u003ca href=\"\/en-gb\/collections\/taches-teint-terne\"\u003edark spots and dull skin\u003c\/a\u003e routine. Suits sensitive skin.\u003c\/p\u003e","brand":"Medicube","offers":[{"title":"Default Title","offer_id":53801817571594,"sku":"MEDICUBE-TXANIACINAMIDE","price":34.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/7152\/3338\/files\/medicube-txa-niacinamide-capsule-cream.jpg?v=1790197686"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/7152\/3338\/collections\/collection-niacinamide.jpg?v=1790280383","url":"https:\/\/glasskin-beauty.com\/en-gb\/collections\/niacinamide.oembed","provider":"Glasskin Beauty","version":"1.0","type":"link"}