{"id":222,"date":"2026-05-08T05:46:02","date_gmt":"2026-05-08T05:46:02","guid":{"rendered":"https:\/\/www.totarolchina.com\/?post_type=product&#038;p=222"},"modified":"2026-05-08T05:46:32","modified_gmt":"2026-05-08T05:46:32","slug":"niacinamide","status":"publish","type":"product","link":"https:\/\/www.totarolchina.com\/fr\/htproduct\/niacinamide\/","title":{"rendered":"Niacinamide"},"content":{"rendered":"<h3><strong>Structure et propri\u00e9t\u00e9s chimiques<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">La niacinamide (nicotinamide) est la forme amide de la vitamine B3 (niacine). Sa structure cyclique pyridinique permet diverses fonctions biologiques. Contrairement \u00e0 la niacine, elle ne provoque pas de rougeurs. Stable dans une plage de pH de 5 \u00e0 7, r\u00e9sistante \u00e0 la chaleur jusqu'\u00e0 40\u00b0C et compatible avec la plupart des ingr\u00e9dients cosm\u00e9tiques.<\/p>\n<h3><strong>Source<\/strong><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Sources naturelles<\/strong>: Trouv\u00e9 dans la viande, le poisson, les \u0153ufs, les l\u00e9gumes verts et les c\u00e9r\u00e9ales<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Production commerciale<\/strong>: Synth\u00e9tis\u00e9 \u00e0 partir de l'acide nicotinique par un processus d'amidation pour une puret\u00e9 de qualit\u00e9 pharmaceutique<\/p>\n<\/li>\n<\/ul>\n<h3><strong>Fonctions principales<\/strong><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Am\u00e9lioration de la barri\u00e8re<\/strong>: Augmente <a class=\"wpil_keyword_link\" href=\"https:\/\/www.totarolchina.com\/fr\/htproductceramide\/\" target=\"_blank\" rel=\"noopener\" title=\"la production de\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"4569\">la production de<\/a> c\u00e9ramides pour une barri\u00e8re cutan\u00e9e plus forte<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>R\u00e9gulation du s\u00e9bum<\/strong>: Normalise la production de s\u00e9bum sans dess\u00e9cher<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Anti-pigmentation<\/strong>: Inhibe le transfert des m\u00e9lanosomes aux k\u00e9ratinocytes<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Anti-inflammatoire<\/strong>: R\u00e9duit les cytokines impliqu\u00e9es dans l'acn\u00e9 et la rosac\u00e9e<\/p>\n<\/li>\n<\/ul>\n<h3><strong>Bienfaits et applications pour les soins de la peau<\/strong><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>R\u00e9paration de la barri\u00e8re cutan\u00e9e et hydratation<\/strong>: Id\u00e9al pour les formulations pour peaux s\u00e8ches\/sensibles (2-5%)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Traitement de l'acn\u00e9<\/strong>: R\u00e9duit la production de s\u00e9bum et l'inflammation (4-5%)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Anti-\u00e2ge<\/strong>: Stimule la production de collag\u00e8ne et r\u00e9duit les ridules (5%)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u00c9claircissant<\/strong>: Att\u00e9nue les taches brunes et unifie le teint (3-5%)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Minimisation des pores<\/strong>: R\u00e9gule le s\u00e9bum et am\u00e9liore la texture de la peau (2-4%)<\/p>\n<\/li>\n<\/ul>\n<h3><strong>Potentiel m\u00e9dical et dermatologique<\/strong><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Approuv\u00e9 par la FDA pour le traitement de l'acn\u00e9 vulgaire et des affections cutan\u00e9es inflammatoires<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00c9tudi\u00e9 pour la pr\u00e9vention du cancer de la peau (non m\u00e9lanome) par r\u00e9paration de l'ADN<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Potentiel dans le traitement de la rosac\u00e9e et de la dermatite atopique<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Recherche \u00e9mergente sur l'utilisation topique pour la gestion du psoriasis<\/p>\n<\/li>\n<\/ul>\n<h3><strong>S\u00e9curit\u00e9 et utilisateurs appropri\u00e9s<\/strong><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Exceptionnellement s\u00fbr<\/strong>\u00a0sans toxicit\u00e9 connue aux doses cosm\u00e9tiques (jusqu'\u00e0 5%)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Non irritant et non com\u00e9dog\u00e8ne<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Convient \u00e0 tous les types de peau, y compris les peaux sensibles, sujettes \u00e0 l'acn\u00e9 et \u00e0 la rosac\u00e9e<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Peut \u00eatre utilis\u00e9 avec d'autres actifs (r\u00e9tino\u00efdes, vitamine C, acides)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Aucun risque de photosensibilit\u00e9 \u2013 s\u00fbr pour une utilisation de jour<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>\ud83d\udce6 Support et Documentation<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">Nous fournissons un support technique complet, y compris :<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>TDS (Fiche de Donn\u00e9es Techniques)<\/strong><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>COA (Certificat d'Analyse)<\/strong><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>MSDS (Fiche de Donn\u00e9es de S\u00e9curit\u00e9 des Mat\u00e9riaux)<\/strong><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u00c9chantillons de support et conseils de formulation disponibles sur demande<\/strong><\/p>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>La niacinamide (vitamine B3) est une superstar des soins de la peau multifonctionnelle qui am\u00e9liore la fonction barri\u00e8re de la peau, r\u00e9duit l'inflammation, minimise les pores et att\u00e9nue l'hyperpigmentation. Efficace \u00e0 une concentration de seulement 2 \u00e0 5 %, elle convient \u00e0 tous les types de peau, y compris les peaux sensibles et sujettes \u00e0 l'acn\u00e9.<\/p>","protected":false},"featured_media":301,"template":"","meta":[],"product_cat":[16],"product_tag":[],"class_list":{"0":"post-222","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-brightening","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"etheme_brands":{"errors":{"invalid_taxonomy":["Taxonomie non valide."]},"error_data":[]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.8 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Niacinamide Bulk Wholesale | Skincare Ingredients Suppliers<\/title>\n<meta name=\"description\" content=\"Shaanxi Huatai Bio offers premium Niacinamide as a cosmetic-grade active ingredient. Certified by ISO, COSMOS, and Halal for quality assurance. 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