{"id":4137,"date":"2025-08-15T02:59:44","date_gmt":"2025-08-15T02:59:44","guid":{"rendered":"https:\/\/glabridinchina.com\/?post_type=product&#038;p=4137"},"modified":"2025-11-25T03:24:46","modified_gmt":"2025-11-25T03:24:46","slug":"3-o-ethyl-ascorbic-acid","status":"publish","type":"product","link":"https:\/\/glabridinchina.com\/fr\/produit\/3-o-acide-ascorbique-ethylique\/","title":{"rendered":"Acide 3-O-\u00e9thyl ascorbique"},"content":{"rendered":"<h3>1. Pr\u00e9sentation du produit et pertinence sur le march\u00e9<\/h3>\n<p data-path-to-node=\"10\">L'EAA est consid\u00e9r\u00e9 comme l'un des d\u00e9riv\u00e9s de la vitamine C les plus avanc\u00e9s et les plus stables. Le groupe \u00e9thyle en position C-3 prot\u00e8ge le groupe hydroxyle, emp\u00eachant l'oxydation tout en permettant \u00e0 la mol\u00e9cule d'\u00eatre facilement m\u00e9tabolis\u00e9e en acide L-ascorbique actif une fois qu'elle p\u00e9n\u00e8tre dans la peau. Cette stabilit\u00e9 et cette efficacit\u00e9 sup\u00e9rieures en font l'ingr\u00e9dient de choix pour les s\u00e9rums anti-\u00e2ge et correcteurs de pigmentation haut de gamme, transparents et \u00e0 base d'eau.<\/p>\n<h3>2. Points techniques et param\u00e8tres critiques<\/h3>\n<h4>2.1 M\u00e9canisme d&#039;action<\/h4>\n<ul data-path-to-node=\"13\">\n<li>\n<p data-path-to-node=\"13,0,0\"><b>6. Interf\u00e8re directement avec l'enzyme tyrosinase, r\u00e9duisant significativement la formation de m\u00e9lanine et combattant l'hyperpigmentation et les taches brunes.<\/b> 7. Agit comme cofacteur pour les enzymes prolyl et lysyl hydroxylase, essentielles \u00e0 la production et \u00e0 la stabilisation de nouvelles fibres de collag\u00e8ne.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,1,0\"><b>Inhibition de la tyrosinase\u00a0:<\/b> 8. Fournit une forte activit\u00e9 de pi\u00e9geage des radicaux libres, prot\u00e9geant la peau des dommages oxydatifs induits par les UV.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,2,0\"><b>Synth\u00e8se du collag\u00e8ne :<\/b> 9. 248,2 g\/mol<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,3,0\"><b>Protection antioxydante :<\/b> 10. 0,5 %-3,0 %<\/p>\n<\/li>\n<\/ul>\n<h4>2.2 Sp\u00e9cifications techniques standard<\/h4>\n<table data-path-to-node=\"15\">\n<thead>\n<tr>\n<td><strong>Param\u00e8tre<\/strong><\/td>\n<td><strong>Sp\u00e9cifications (Grade de haute puret\u00e9)<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"15,1,0,0\"><b>Puret\u00e9<\/b><\/span><\/td>\n<td><span data-path-to-node=\"15,1,1,0\">\u226598%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"15,2,0,0\"><b>Poids mol\u00e9culaire<\/b><\/span><\/td>\n<td><span data-path-to-node=\"15,2,1,0\">11. Amphiphile (soluble dans l'eau et l'huile)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"15,3,0,0\"><b>Dosage recommand\u00e9<\/b><\/span><\/td>\n<td><span data-path-to-node=\"15,3,1,0\">12. Excellente stabilit\u00e9 thermique et photo ; Tr\u00e8s stable sur une large gamme de pH (3,0-6,0)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"15,4,0,0\"><b>Solubilit\u00e9<\/b><\/span><\/td>\n<td><span data-path-to-node=\"15,4,1,0\">13. Contrairement \u00e0 l'acide L-AA pur, l'EAA reste actif et clair en solution pendant des mois, \u00e9vitant le jaunissement rapide et la perte d'efficacit\u00e9, ce qui le rend id\u00e9al pour la production en grands lots.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"15,5,0,0\"><b>Stabilit\u00e9<\/b><\/span><\/td>\n<td><span data-path-to-node=\"15,5,1,0\">14. Double solubilit\u00e9 (amphiphile) :<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"15,6,0,0\"><b>Stockage<\/b><\/span><\/td>\n<td><span data-path-to-node=\"15,6,1,0\">R\u00e9cipient frais, sombre et herm\u00e9tique<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>3. Positionnement sur le march\u00e9 et avantages cl\u00e9s<\/h3>\n<ul data-path-to-node=\"17\">\n<li>\n<p data-path-to-node=\"17,0,0\"><b>Stabilit\u00e9 sup\u00e9rieure :<\/b> Unlike pure L-AA, EAA remains active and clear in solution for months, avoiding rapid yellowing and efficacy loss, making it ideal for large batch production.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"17,1,0\"><b>Dual Solubility (Amphiphilic):<\/b> Sa capacit\u00e9 \u00e0 se dissoudre dans les phases aqueuse et huileuse simplifie la formulation et maximise sa capacit\u00e9 \u00e0 p\u00e9n\u00e9trer les couches lipidiques et aqueuses de la peau.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"17,2,0\"><b>Haute efficacit\u00e9, faible irritation :<\/b> Offre les effets puissants de la vitamine C pour \u00e9claircir et stimuler le collag\u00e8ne <span class=\"math-inline\" data-math=\"\\text{C}\">$\\text{C}$<\/span> avec un risque minimal d'irritation ou de sensibilit\u00e9, adapt\u00e9 aux peaux sensibles.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"17,3,0\"><b>Non ionique :<\/b> Ne r\u00e9agit pas facilement avec d'autres ingr\u00e9dients cosm\u00e9tiques, offrant une large compatibilit\u00e9 dans les formules complexes.<\/p>\n<\/li>\n<\/ul>\n<h3>4. Directives de formulation<\/h3>\n<ul data-path-to-node=\"19\">\n<li>\n<p data-path-to-node=\"19,0,0\"><b>Phase d&#039;int\u00e9gration :<\/b> La double solubilit\u00e9 de l'EAA permet une int\u00e9gration flexible. Il peut \u00eatre dissous directement dans la phase aqueuse ou pr\u00e9-dissous dans une petite quantit\u00e9 de glycol ou d'\u00e9thanol et ajout\u00e9 avant ou apr\u00e8s l'\u00e9mulsification.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,1,0\"><b>Concentration:<\/b> Les concentrations fonctionnelles recommand\u00e9es vont de <b>0,5 % pour un \u00e9claircissement g\u00e9n\u00e9ral \u00e0 3 % pour une correction intensive de la pigmentation<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,2,0\"><b>Contr\u00f4le du pH\u00a0:<\/b> Pr\u00e9sente une grande stabilit\u00e9 sur une large <span class=\"math-inline\" data-math=\"\\text{pH}\">pH<\/span>\u00a0plage, mais l'activit\u00e9 optimale pour la p\u00e9n\u00e9tration cutan\u00e9e se situe g\u00e9n\u00e9ralement entre <b>3.0 et 6.0<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,3,0\"><b>Esth\u00e9tique:<\/b> Il produit des solutions claires et incolores, conservant l'attrait esth\u00e9tique des s\u00e9rums haut de gamme.<\/p>\n<\/li>\n<\/ul>\n<h3>5. Assurance qualit\u00e9 et confiance r\u00e9glementaire<\/h3>\n<p data-path-to-node=\"21\">Nos certifications en mati\u00e8re de qualit\u00e9 et de s\u00e9curit\u00e9 comprennent\u00a0:<\/p>\n<ul data-path-to-node=\"22\">\n<li>\n<p data-path-to-node=\"22,0,0\"><b>COSMOS (Norme cosm\u00e9tique naturelle et biologique)<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,1,0\"><b>Syst\u00e8me de gestion de la qualit\u00e9 ISO 9001<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,2,0\"><b>Syst\u00e8me de gestion de la s\u00e9curit\u00e9 des denr\u00e9es alimentaires ISO 22000<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,3,0\"><b>Certification HALAL<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,4,0\"><b>IQNET (Le r\u00e9seau international de certification)<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,5,0\"><b>Dossier technique (Certificat d&#039;analyse \u2013 COA, Fiche technique \u2013 TDS, Fiche de donn\u00e9es de s\u00e9curit\u00e9 \u2013 MSDS)<\/b><\/p>\n<\/li>\n<\/ul>\n<h3>6. Applications typiques<\/h3>\n<ul data-path-to-node=\"24\">\n<li>\n<p data-path-to-node=\"24,0,0\"><b>S\u00e9rums \u00e9claircissants avanc\u00e9s :<\/b> Traitements ax\u00e9s sur la r\u00e9duction du m\u00e9lasma et de l'hyperpigmentation post-inflammatoire.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"24,1,0\"><b>Cr\u00e8mes stimulantes de collag\u00e8ne :<\/b> Formules anti-\u00e2ge visant \u00e0 am\u00e9liorer la fermet\u00e9 et \u00e0 r\u00e9duire les rides.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"24,2,0\"><b>Produits clairs \u00e0 base d'eau :<\/b> Id\u00e9al pour les vitamines stables <span class=\"math-inline\" data-math=\"\\text{C}\">C<\/span>\u00a0toners et essences.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"24,3,0\"><b>Formules combin\u00e9es :<\/b> Utilis\u00e9 en association avec des r\u00e9tino\u00efdes ou de l'acide hyaluronique pour des bienfaits anti-\u00e2ge complets.<\/p>\n<\/li>\n<\/ul>\n<h3>7. R\u00e9sum\u00e9 des preuves scientifiques<\/h3>\n<ul data-path-to-node=\"26\">\n<li>\n<p data-path-to-node=\"26,0,0\"><b>Stabilit\u00e9 par rapport \u00e0 l'AA-L :<\/b> Des \u00e9tudes comparatives montrent des taux de d\u00e9gradation consid\u00e9rablement r\u00e9duits lorsqu'ils sont expos\u00e9s \u00e0 la chaleur et \u00e0 l'oxyg\u00e8ne par rapport \u00e0 l'acide L-ascorbique pur et \u00e0 de nombreux autres d\u00e9riv\u00e9s courants.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"26,1,0\"><b>Donn\u00e9es de p\u00e9n\u00e9tration :<\/b> Des \u00e9tudes in vitro confirment des taux de perm\u00e9ation sup\u00e9rieurs \u00e0 travers la barri\u00e8re cutan\u00e9e par rapport \u00e0 <a class=\"wpil_keyword_link\" href=\"https:\/\/glabridinchina.com\/fr\/produit\/phosphate-dascorbyle-de-magnesium\/\" target=\"_blank\"  rel=\"noopener\" title=\"phosphate d&#039;ascorbyle de magn\u00e9sium\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"591\">phosphate d'ascorbyle de magn\u00e9sium<\/a> (<span class=\"math-inline\" data-math=\"text{MAP}\">$text{MAP}$<\/span>) ou le phosphate d'ascorbyle de sodium (<span class=\"math-inline\" data-math=\"text{SAP}\">SAP<\/span>).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"26,2,0\"><b>R\u00e9duction de la m\u00e9lanine :<\/b> Les donn\u00e9es cliniques soutiennent son efficacit\u00e9 dans l'inhibition des voies de m\u00e9lanogen\u00e8se, entra\u00eenant des am\u00e9liorations mesurables de l'uniformit\u00e9 du teint et une r\u00e9duction des taches pigmentaires.<\/p>\n<\/li>\n<\/ul>\n<h3>8. Foire aux questions<\/h3>\n<h4>Q1 : L'acide 3-O-\u00e9thyl ascorbique n\u00e9cessite-t-il un pH bas sp\u00e9cifique pour \u00eatre actif ?<\/h4>\n<p data-path-to-node=\"29\">R : Non. Contrairement \u00e0 l'acide L-ascorbique pur, qui n\u00e9cessite un pH inf\u00e9rieur \u00e0 3,5 pour p\u00e9n\u00e9trer, l'EAA est stable et efficace sur une large gamme, y compris \u00e0 pH neutre, en raison de sa structure modifi\u00e9e, ce qui le rend plus doux pour la peau.<\/p>\n<h4>Q2 : Que signifie \u00ab amphiphile \u00bb pour la formulation ?<\/h4>\n<p data-path-to-node=\"31\">R : Amphiphile signifie qu'il poss\u00e8de \u00e0 la fois des propri\u00e9t\u00e9s solubles dans l'eau et solubles dans l'huile. Cela lui permet de p\u00e9n\u00e9trer plus efficacement les membranes des cellules cutan\u00e9es et simplifie la formulation en le rendant compatible avec les phases aqueuses et huileuses.<\/p>\n<h4>Q3 : \u00c0 quelle vitesse l'EAA se convertit-il en vitamine C active dans la peau ?<\/h4>\n<p data-path-to-node=\"33\">R : La conversion en acide L-ascorbique se produit rapidement une fois que la mol\u00e9cule p\u00e9n\u00e8tre dans la peau et rencontre des enzymes cellulaires, assurant une lib\u00e9ration rapide et soutenue de la forme active exactement l\u00e0 o\u00f9 elle est le plus n\u00e9cessaire.<\/p>\n<p>&nbsp;<\/p>\n<p data-path-to-node=\"35\"><b>Sourcez notre acide 3-O-\u00e9thyl ascorbique d'une puret\u00e9 \u226598 % pour un \u00e9claircissement de la peau stable et sup\u00e9rieur, un renforcement prouv\u00e9 du collag\u00e8ne et des formulations avanc\u00e9es de vitamine C.<\/b><\/p>\n<p>\ud83d\udd12 Obtenez votre dossier technique : acc\u00e9dez aux fiches techniques, aux fiches de donn\u00e9es de s\u00e9curit\u00e9, aux certificats d&#039;analyse et aux rapports d&#039;efficacit\u00e9 clinique.<\/p>\n<p>\ud83d\udd2c Demandez un \u00e9chantillon gratuit : Testez d\u00e8s aujourd'hui le pouvoir stable et hautement efficace de l'acide 3-O-\u00e9thyl ascorbique pour renforcer le syst\u00e8me immunitaire.<\/p>\n<p>\ud83d\udcde Obtenez un devis personnalis\u00e9\u00a0: Discutez des commandes en gros et des sp\u00e9cifications de haute puret\u00e9.<\/p>","protected":false},"excerpt":{"rendered":"<p>1. L'acide 3-O-\u00e9thyl ascorbique (EAA) est un d\u00e9riv\u00e9 \u00e9th\u00e9rifi\u00e9 de l'acide L-ascorbique (vitamine C pure), hautement stable et non ionique. Il se distingue par sa stabilit\u00e9 thermique et photo-exceptionnelle, ainsi que par sa nature amphiphile unique (soluble dans l'eau et l'huile), permettant une p\u00e9n\u00e9tration cutan\u00e9e sup\u00e9rieure. L'EAA offre une d\u00e9livrance puissante et soutenue des bienfaits de la vitamine C, notamment l'\u00e9claircissement de la peau, la synth\u00e8se du collag\u00e8ne et la protection antioxydante, sans les probl\u00e8mes d'irritation ou de d\u00e9gradation rapide de la vitamine C traditionnelle. <span class=\"math-inline\" data-math=\"text{C}\">C<\/span>\u00a02. \u00c9claircissant (anti-m\u00e9lanogen\u00e8se), booster de collag\u00e8ne, antioxydant, anti-inflammatoire.<\/p>","protected":false},"featured_media":4562,"template":"","meta":[],"etheme_brands":[],"product_cat":[26],"product_tag":[99,53,154,194,261,207,231,259,152,268,197,295],"class_list":{"0":"post-4137","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-brightening","7":"product_tag-anti-aging","8":"product_tag-antioxidant","9":"product_tag-collagen-booster","10":"product_tag-even-skin-tone","11":"product_tag-free-radical-defense","12":"product_tag-hyperpigmentation-treatment","13":"product_tag-non-irritating","14":"product_tag-sensitive-skin-safe","15":"product_tag-skin-brightening","16":"product_tag-stable-formulation","17":"product_tag-uv-protection","18":"product_tag-vitamin-c-derivative","20":"first","21":"instock","22":"shipping-taxable","23":"product-type-simple"},"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>3-O-Ethyl Ascorbic Acid Powder Manufacturer &amp; Suppliers - Huatai Bio<\/title>\n<meta name=\"description\" content=\"Cosmetic Grade 3-O-Ethyl Ascorbic Acid from a premier active ingredients skincare manufacturer. 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