{"id":326,"date":"2022-01-21T16:31:15","date_gmt":"2022-01-21T15:31:15","guid":{"rendered":"https:\/\/www.beautydecoded.com\/?page_id=326"},"modified":"2024-04-05T23:37:22","modified_gmt":"2024-04-05T21:37:22","slug":"niacinamide","status":"publish","type":"page","link":"https:\/\/www.beautydecoded.com\/en\/niacinamide\/","title":{"rendered":"Niacinamide: The multi-functional vitamin"},"content":{"rendered":"<p>Niacinamide or Vitamin B3 is a <a href=\"https:\/\/www.beautydecoded.com\/ingredients\/\" data-type=\"page\" data-id=\"323\">ingredient<\/a> very interesting in cosmetics, it is very useful as a complement to the two other flagship active ingredients, retinol and vitamin C.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The skin benefits of Niacinamide : <\/h2>\n\n\n\n<p>1) <strong>Anti-aging properties: <\/strong>Studies show that niacinamide can stimulate collagen production. This means improved skin structure and fewer wrinkles. For your information, anti-aging studies typically use a concentration of 4 to 5 % of niacinamide, used daily for 8 to 12 weeks. So, if you're looking for anti-aging benefits, try to choose a product that tells you the exact percentage of niacinamide it contains.<\/p>\n\n\n\n<blockquote class=\"instagram-media\" data-instgrm-captioned data-instgrm-permalink=\"https:\/\/www.instagram.com\/reel\/Cn9AaFSI2oX\/?utm_source=ig_embed&amp;utm_campaign=loading\" data-instgrm-version=\"14\" style=\" background:#FFF; border:0; border-radius:3px; box-shadow:0 0 1px 0 rgba(0,0,0,0.5),0 1px 10px 0 rgba(0,0,0,0.15); margin: 1px; max-width:540px; min-width:326px; padding:0; width:99.375%; width:-webkit-calc(100% - 2px); width:calc(100% - 2px);\"><div style=\"padding:16px;\"> <a href=\"https:\/\/www.instagram.com\/reel\/Cn9AaFSI2oX\/?utm_source=ig_embed&amp;utm_campaign=loading\" style=\" background:#FFFFFF; line-height:0; padding:0 0; text-align:center; text-decoration:none; width:100%;\" target=\"_blank\" rel=\"noopener\"> <div style=\" display: flex; flex-direction: row; align-items: center;\"> <div style=\"background-color: #F4F4F4; border-radius: 50%; flex-grow: 0; height: 40px; margin-right: 14px; width: 40px;\"><\/div> <div style=\"display: flex; flex-direction: column; flex-grow: 1; justify-content: center;\"> <div style=\" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; margin-bottom: 6px; width: 100px;\"><\/div> <div style=\" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; width: 60px;\"><\/div><\/div><\/div><div style=\"padding: 19% 0;\"><\/div> <div style=\"display:block; height:50px; margin:0 auto 12px; width:50px;\"><svg width=\"50px\" height=\"50px\" viewbox=\"0 0 60 60\" version=\"1.1\" xmlns=\"https:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"https:\/\/www.w3.org\/1999\/xlink\"><g stroke=\"none\" stroke-width=\"1\" fill=\"none\" fill-rule=\"evenodd\"><g transform=\"translate(-511.000000, -20.000000)\" fill=\"#000000\"><g><path d=\"M556.869,30.41 C554.814,30.41 553.148,32.076 553.148,34.131 C553.148,36.186 554.814,37.852 556.869,37.852 C558.924,37.852 560.59,36.186 560.59,34.131 C560.59,32.076 558.924,30.41 556.869,30.41 M541,60.657 C535.114,60.657 530.342,55.887 530.342,50 C530.342,44.114 535.114,39.342 541,39.342 C546.887,39.342 551.658,44.114 551.658,50 C551.658,55.887 546.887,60.657 541,60.657 M541,33.886 C532.1,33.886 524.886,41.1 524.886,50 C524.886,58.899 532.1,66.113 541,66.113 C549.9,66.113 557.115,58.899 557.115,50 C557.115,41.1 549.9,33.886 541,33.886 M565.378,62.101 C565.244,65.022 564.756,66.606 564.346,67.663 C563.803,69.06 563.154,70.057 562.106,71.106 C561.058,72.155 560.06,72.803 558.662,73.347 C557.607,73.757 556.021,74.244 553.102,74.378 C549.944,74.521 548.997,74.552 541,74.552 C533.003,74.552 532.056,74.521 528.898,74.378 C525.979,74.244 524.393,73.757 523.338,73.347 C521.94,72.803 520.942,72.155 519.894,71.106 C518.846,70.057 518.197,69.06 517.654,67.663 C517.244,66.606 516.755,65.022 516.623,62.101 C516.479,58.943 516.448,57.996 516.448,50 C516.448,42.003 516.479,41.056 516.623,37.899 C516.755,34.978 517.244,33.391 517.654,32.338 C518.197,30.938 518.846,29.942 519.894,28.894 C520.942,27.846 521.94,27.196 523.338,26.654 C524.393,26.244 525.979,25.756 528.898,25.623 C532.057,25.479 533.004,25.448 541,25.448 C548.997,25.448 549.943,25.479 553.102,25.623 C556.021,25.756 557.607,26.244 558.662,26.654 C560.06,27.196 561.058,27.846 562.106,28.894 C563.154,29.942 563.803,30.938 564.346,32.338 C564.756,33.391 565.244,34.978 565.378,37.899 C565.522,41.056 565.552,42.003 565.552,50 C565.552,57.996 565.522,58.943 565.378,62.101 M570.82,37.631 C570.674,34.438 570.167,32.258 569.425,30.349 C568.659,28.377 567.633,26.702 565.965,25.035 C564.297,23.368 562.623,22.342 560.652,21.575 C558.743,20.834 556.562,20.326 553.369,20.18 C550.169,20.033 549.148,20 541,20 C532.853,20 531.831,20.033 528.631,20.18 C525.438,20.326 523.257,20.834 521.349,21.575 C519.376,22.342 517.703,23.368 516.035,25.035 C514.368,26.702 513.342,28.377 512.574,30.349 C511.834,32.258 511.326,34.438 511.181,37.631 C511.035,40.831 511,41.851 511,50 C511,58.147 511.035,59.17 511.181,62.369 C511.326,65.562 511.834,67.743 512.574,69.651 C513.342,71.625 514.368,73.296 516.035,74.965 C517.703,76.634 519.376,77.658 521.349,78.425 C523.257,79.167 525.438,79.673 528.631,79.82 C531.831,79.965 532.853,80.001 541,80.001 C549.148,80.001 550.169,79.965 553.369,79.82 C556.562,79.673 558.743,79.167 560.652,78.425 C562.623,77.658 564.297,76.634 565.965,74.965 C567.633,73.296 568.659,71.625 569.425,69.651 C570.167,67.743 570.674,65.562 570.82,62.369 C570.966,59.17 571,58.147 571,50 C571,41.851 570.966,40.831 570.82,37.631\"><\/path><\/g><\/g><\/g><\/svg><\/div><div style=\"padding-top: 8px;\"> <div style=\" color:#3897f0; font-family:Arial,sans-serif; font-size:14px; font-style:normal; font-weight:550; line-height:18px;\">See this post on Instagram<\/div><\/div><div style=\"padding: 12.5% 0;\"><\/div> <div style=\"display: flex; flex-direction: row; margin-bottom: 14px; align-items: center;\"><div> <div style=\"background-color: #F4F4F4; border-radius: 50%; height: 12.5px; width: 12.5px; transform: translateX(0px) translateY(7px);\"><\/div> <div style=\"background-color: #F4F4F4; height: 12.5px; transform: rotate(-45deg) translateX(3px) translateY(1px); width: 12.5px; flex-grow: 0; margin-right: 14px; margin-left: 2px;\"><\/div> <div style=\"background-color: #F4F4F4; border-radius: 50%; height: 12.5px; width: 12.5px; transform: translateX(9px) translateY(-18px);\"><\/div><\/div><div style=\"margin-left: 8px;\"> <div style=\" background-color: #F4F4F4; border-radius: 50%; flex-grow: 0; height: 20px; width: 20px;\"><\/div> <div style=\" width: 0; height: 0; border-top: 2px solid transparent; border-left: 6px solid #f4f4f4; border-bottom: 2px solid transparent; transform: translateX(16px) translateY(-4px) rotate(30deg)\"><\/div><\/div><div style=\"margin-left: auto;\"> <div style=\" width: 0px; border-top: 8px solid #F4F4F4; border-right: 8px solid transparent; transform: translateY(16px);\"><\/div> <div style=\" background-color: #F4F4F4; flex-grow: 0; height: 12px; width: 16px; transform: translateY(-4px);\"><\/div> <div style=\" width: 0; height: 0; border-top: 8px solid #F4F4F4; border-left: 8px solid transparent; transform: translateY(-4px) translateX(8px);\"><\/div><\/div><\/div> <div style=\"display: flex; flex-direction: column; flex-grow: 1; justify-content: center; margin-bottom: 24px;\"> <div style=\" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; margin-bottom: 6px; width: 224px;\"><\/div> <div style=\" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; width: 144px;\"><\/div><\/div><\/a><p style=\" color:#c9c8cd; font-family:Arial,sans-serif; font-size:14px; line-height:17px; margin-bottom:0; margin-top:8px; overflow:hidden; padding:8px 0 7px; text-align:center; text-overflow:ellipsis; white-space:nowrap;\"><a href=\"https:\/\/www.instagram.com\/reel\/Cn9AaFSI2oX\/?utm_source=ig_embed&amp;utm_campaign=loading\" style=\" color:#c9c8cd; font-family:Arial,sans-serif; font-size:14px; font-style:normal; font-weight:normal; line-height:17px; text-decoration:none;\" target=\"_blank\" rel=\"noopener\">A publication shared by Beautydecoded (@skincaredecoded)<\/a><\/p><\/div><\/blockquote> <script async src=\"\/\/www.instagram.com\/embed.js\"><\/script>\n\n\n\n<p>2) <strong>Anti-spot properties:<\/strong> Hyperpigmentation or brown spots are often stubborn, and it can be difficult to get rid of them with topical products alone. However, niacinamide is an excellent ingredient for fading them. Studies show that daily use of 2-5 % niacinamide for 8 weeks significantly lightens hyperpigmentation.<\/p>\n\n\n\n<p>3) <strong>Skin barrier repair functions :<\/strong> The cutaneous barrier is the skin's outer layer, which plays an essential role in maintaining skin hydration and health. The substance between skin cells is mainly composed of free fatty acids, cholesterol and ceramides. The quantity and structure of these compounds determine the health of the skin barrier. Studies have shown that 2 % niacinamide can increase the synthesis of free fatty acids, cholesterol and ceramides, resulting in a healthier, more resistant skin barrier, reduced transepidermal water loss and improved skin hydration.<\/p>\n\n\n\n<p>4) <strong>Anti-acne properties :<\/strong> Although niacinamide isn't considered one of the benchmark anti-acne ingredients, it's definitely worth a try if you have skin problems. It has sebum-regulating and anti-inflammatory properties. A study using 4 % of niacinamide for 8 weeks to treat acne showed that 82 % of those treated saw some improvement. What's more, results were slightly better than with 1 % clindamycin gel, an antibiotic often used to treat acne.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cosmetic product recommendations:<\/h2>\n\n\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column commerce-box-main is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading commerce-box-h3\">B-Bomb 10% Niacinamide<\/h3>\n\n\n\n<p>Discover the power of 10 % niacinamide with B-Bomb 10 % niacinamide serum from Geek And Gorgeous! This high-concentration, fragrance- and essential oil-free, vegan serum is designed to reduce blemishes and acne breakouts while significantly moisturizing and protecting the skin barrier. With its lightly gelled texture, it is easy and gentle to apply, and can be worn under moisturizer or make-up. <\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column commerce-box-main is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading commerce-box-h3\">S<strong>s unifying encyclopaedia<\/strong> Niacinamide<\/h3>\n\n\n\n<p>The unifying serum is a natural alternative for a healthier, more radiant complexion! Thanks to its powerful active ingredient, niacinamide, this serum helps eliminate imperfections while restoring the skin barrier. It promotes healing and reduces redness caused by imperfections such as acne scars. This unique formula is particularly useful for those suffering from acne breakouts, as it can help improve the overall appearance of the skin. <\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-columns commerce-box-top is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column commerce-box-main is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading commerce-box-h3\">Niacinamide booster Paula's Choice<\/h3>\n\n\n\n<p>This serum contains 10% niacinamide, panthenol and acethylglucosamine. This serum is multi-functional, improving the appearance of pores, reinforcing the cutaneous barrier and improving skin texture. A serum that keeps its promises, but the bottle size is a little small at 20 ml.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-columns commerce-box-top is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column commerce-box-main is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading commerce-box-h3\">Niacinamide 10% + Zinc 1% The Ordinary<\/h3>\n\n\n\n<p>The Ordinary has once again created an excellent serum containing 10% niacinamide and zinc. I recommend it for acne-prone skin, in addition to other treatments such as retinol and salicylic acid. An effective serum at a low price, but it may irritate sensitive skin. <a href=\"https:\/\/www.beautydecoded.com\/en\/brands\/the-ordinary\/\">The Ordinary notice<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-columns commerce-box-top is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column commerce-box-main is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading commerce-box-h3\">Mineral 89 Probiotics Fractions<\/h3>\n\n\n\n<p>A good hyaluronic acid-based serum containing 4% niacinamide. A good choice for those who wish to incorporate this ingredient into their skincare routine without buying a specific cosmetic product. A well-formulated serum from French parapharmacy<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group block-plusmoins\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column commerce-box-tabs is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<hr class=\"box-bottom\">\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"NIACINAMIDE: Best moisturizer? Anti-Acne, Anti-Spot Serum?\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/P6zCNiKek2w?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">The actions of Niacinamide:<\/h2>\n\n\n\n<p>Here are the <a href=\"https:\/\/www.beautydecoded.com\/en\/ingredients\/niacinamide\/best-serum\/\" data-type=\"page\" data-id=\"5404\">best niacinamide serums<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Niacinamide is an antioxidant<\/h3>\n\n\n\n<p>It reduces the inflammation created by free radicals and bacteria naturally present on your skin. As you know, inflammation is responsible for the appearance of imperfections, so niacinamide is very useful for acne-prone skin. <\/p>\n\n\n\n<p>In 1995, a study published in the International Journal of Dermatology compared the use of niacinamide and clindamycin to treat acne. <\/p>\n\n\n\n<p>The results showed a similar efficacy of niacinamide and clindamycin, which is interesting because clindamycin is a really effective treatment for acne, but like any antibiotic, there is a risk of skin bacteria developing resistance.<\/p>\n\n\n\n<p>With niacinamide, this risk does not exist, as it is not an antibiotic. What's more, another study published in 2013 in the same journal showed that niacinamide was more effective than clindamycin in treating acne in patients with oily skin, but less effective than in patients with dry skin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Anti-stain : <\/h3>\n\n\n\n<p>Another action of niacinamide is that it reduces the transfer of melanin from melanocytes to the skin's surface. It is therefore very useful for treating solar hyperpigmentation, post-acne, but also melasma. <\/p>\n\n\n\n<p>An interesting study compared the efficacy of niacinamide to hydroquinone on melasma sufferers. Patients applied hydroquinone to one side of the face and niacinamide to the other; improvement was similar on both sides of the face, but with significantly less irritation on the niacinamide-treated side.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ceramides : <\/h3>\n\n\n\n<p>One of niacinamide's actions is to increase the production of ceramides, thereby strengthening our skin barrier. <\/p>\n\n\n\n<p>In fact, by stimulating the production of ceramides, the lipids that form the cement between epidermal cells, the skin is stronger, protected from dehydration and the penetration of irritating agents. It is thanks to this phenomenon that it has a moisturizing action on the skin, increasing epidermal water retention. <\/p>\n\n\n\n<p>Our skin becomes more resistant and tolerant to other active ingredients such as vitamin C and retinol. This reinforcement of the cutaneous barrier makes niacinamide particularly interesting for people with ultra-dry skin prone to redness.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Niacinamide: an anti-ageing action<\/h3>\n\n\n\n<p>It also has an anti-aging action by increasing collagen production, and by reducing the damage created by UV rays on the skin. Studies show that it is particularly effective on mature skin. <\/p>\n\n\n\n<p>On the other hand, an Australian study published in 2017 showed that taking oral vitamin B3 could reduce the occurrence of new skin cancer in patients who had already had one.<\/p>\n\n\n\n<p>Niacinamide acts as a shield for the skin against the formation of substances that cause collagen destruction when the skin is exposed to UV rays.<\/p>\n\n\n\n<p>Niacinamide's final action on the skin is to reduce sebum production, thereby improving the appearance of pores and reducing acne.<\/p>\n\n\n\n<p>If we summarize all the benefits of niacinamide, it is anti-acne, anti-inflammatory, reduces hyperpigmentation, anti-ageing and strengthens our skin barrier. So we can understand why this active ingredient is so popular.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Are there any side effects?<\/h2>\n\n\n\n<p>Niacinamide is one of the safest active ingredients, and can even be used by pregnant or breast-feeding women. Most studies have been carried out with concentrations below 5%, so if you use a higher concentration, you may in rare cases experience tingling or redness, especially in people with sensitive skin.<\/p>\n\n\n\n<p>If this happens to you, try a product with a lower concentration. However, I think that in the majority of cases, if you experience irritation after introducing niacinamide into your skincare routine, you should try a product with a lower concentration.<strong><a href=\"https:\/\/www.beautydecoded.com\/en\/facial-care\/\" data-type=\"page\" data-id=\"252\"> facial care<\/a><\/strong>you're having a reaction to an adjuvant, not to Niacinamide itself.<\/p>\n\n\n\n<p>The last thing - and this is not a side effect, but a downside - is that Niacinamide takes time to act, much longer than vitamin A or C to see the first results. So if after 3 days you don't see any results, that's normal. You need at least 2 months to see the results.<\/p>\n\n\n\n<p>Since most studies have been carried out with niacinamide concentrations below 5%, it is effective to use products containing low concentrations of niacinamide.<\/p>\n\n\n\n<p>One of the advantages of niacinamide is that it can be combined with other active ingredients. Together with retinol, it helps reduce these side effects, and as we've seen, it's also very interesting to add it to an anti-acne protocol.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Niacinamide and vitamin C possible?<\/h3>\n\n\n\n<p>On the other hand, an old rumor, here from an article written 40 years ago, was that niacinamide and vitamin C couldn't be combined, but new studies show that it's perfectly possible. <\/p>\n\n\n\n<p>Don't hesitate to use it in the eye area, as its action to reinforce the skin barrier means that the very fine skin around the eyes will tolerate retinoids much better.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Niacinamide: Effective on which skin types?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Niacinamide for oily skin?<\/h3>\n\n\n\n<p>Niacinamide is water-soluble, so it can be found in serums and lotions, which is very useful for people with oily skin, who can avoid oily or greasy cosmetics. Niacinamide is a great option if you have oily skin, as it helps reduce excessive sebum production, acts as an anti-inflammatory, soothes redness and rashes, and visibly reduces pore size for smoother skin overall.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Niacinamide for sensitive skin?<\/h3>\n\n\n\n<p>Niacinamide also has a neutral pH, making it suitable for sensitive skin. It is very stable, so can be found in a wide range of moisturizers.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Niacinamide for dry skin?<\/h3>\n\n\n\n<p>Dry skin can benefit from its incredibly restorative effect, as niacinamide helps stimulate the skin's natural ceramide (lipid) production, strengthening the skin barrier and reducing dry skin overall.<\/p>\n\n\n\n<p>As you can see, nicacinamide is suitable for all skin types, from the driest to the most sensitive, including problem skin (eczema, rosacea, acne...), improving the skin's barrier function and limiting inflammatory crises.<\/p>","protected":false},"excerpt":{"rendered":"<p>Niacinamide, or Vitamin B3, is a highly interesting ingredient in cosmetics, complementing the two other leading active ingredients, retinol and vitamin C. Niacinamide's benefits for the skin: 1) Anti-ageing properties: Studies show that niacinamide can stimulate collagen production. 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