{"id":13729,"date":"2026-03-17T04:12:23","date_gmt":"2026-03-17T04:12:23","guid":{"rendered":"https:\/\/huataibio.com\/?post_type=product&#038;p=13729"},"modified":"2026-06-16T03:32:07","modified_gmt":"2026-06-16T03:32:07","slug":"3-o-ethyl-ascorbic-acid","status":"publish","type":"product","link":"https:\/\/www.natural-huatai.com\/fr\/products\/3-o-ethyl-ascorbic-acid\/","title":{"rendered":"3-O-Ethyl Ascorbic Acid"},"content":{"rendered":"<h3 data-path-to-node=\"0\"><b data-path-to-node=\"0\" data-index-in-node=\"0\">1. Product Overview: The Pinnacle of Stable Vitamin C Delivery<\/b><\/h3>\n<p data-path-to-node=\"1\">Shaanxi Huatai Bio-fine Chemical Co. fournit une qualit\u00e9 sup\u00e9rieure <b data-path-to-node=\"1\" data-index-in-node=\"60\">3-O-Ethyl Ascorbic Acid (EAA)<\/b>, the industry\u2019s most advanced and stable Vitamin C derivative. By protecting the C-3 hydroxyl group with an ethyl moiety, EAA achieves a level of thermal and oxidative resilience that pure L-Ascorbic Acid cannot match. This amphiphilic marvel is the signature solution for luxury brands requiring crystal-clear, high-potency serums that deliver rapid, sustained brightening and collagen-boosting efficacy without the instability or acidity of traditional Vitamin C.<\/p>\n<p data-path-to-node=\"2\"><b data-path-to-node=\"2\" data-index-in-node=\"0\">Caract\u00e9ristiques principales et avantages primaires :<\/b><\/p>\n<ul data-path-to-node=\"3\">\n<li>\n<p data-path-to-node=\"3,0,0\"><b data-path-to-node=\"3,0,0\" data-index-in-node=\"0\">Amphiphilic Dermal Penetration:<\/b> Its unique dual-solubility allows it to traverse both the lipid-rich barrier and aqueous-rich cellular layers, ensuring deep-tissue delivery.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"3,1,0\"><b data-path-to-node=\"3,1,0\" data-index-in-node=\"0\">Unrivaled Stability:<\/b> Remains fully active and colorless in solution for months, providing a reliable shelf life even in complex, large-batch manufacturing.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"3,2,0\"><b data-path-to-node=\"3,2,0\" data-index-in-node=\"0\">Rapid Bio-Conversion:<\/b> Once it reaches the target dermal layer, cellular enzymes efficiently cleave the ethyl group to release pure, active L-Ascorbic Acid precisely where it is needed.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"5\"><b data-path-to-node=\"5\" data-index-in-node=\"0\">Sp\u00e9cifications techniques et param\u00e8tres de qualit\u00e9<\/b><\/h3>\n<table data-path-to-node=\"6\">\n<thead>\n<tr>\n<td><strong>Attribut technique<\/strong><\/td>\n<td><strong>Norme Premium Shaanxi Huatai<\/strong><\/td>\n<td><strong>Avantage Concurrentiel<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"6,1,0,0\"><b data-path-to-node=\"6,1,0,0\" data-index-in-node=\"0\">Identit\u00e9 du mat\u00e9riau<\/b><\/span><\/td>\n<td><span data-path-to-node=\"6,1,1,0\">3-O-Ethyl Ascorbic Acid (EAA)<\/span><\/td>\n<td><span data-path-to-node=\"6,1,2,0\">Advanced, amphiphilic Vitamin C derivative.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"6,2,0,0\"><b data-path-to-node=\"6,2,0,0\" data-index-in-node=\"0\">Puret\u00e9 de l'essai<\/b><\/span><\/td>\n<td><span data-path-to-node=\"6,2,1,0\">\u2265 98.0%<\/span><\/td>\n<td><span data-path-to-node=\"6,2,2,0\">Refined synthesis ensures absolute formulation predictability.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"6,3,0,0\"><b data-path-to-node=\"6,3,0,0\" data-index-in-node=\"0\">Molecular Weight<\/b><\/span><\/td>\n<td><span data-path-to-node=\"6,3,1,0\">248.2 g\/mol<\/span><\/td>\n<td><span data-path-to-node=\"6,3,2,0\">Optimized for efficient epidermal permeation.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"6,4,0,0\"><b data-path-to-node=\"6,4,0,0\" data-index-in-node=\"0\">Profil de solubilit\u00e9<\/b><\/span><\/td>\n<td><span data-path-to-node=\"6,4,1,0\">Amphiphilic (Water\/Oil Soluble)<\/span><\/td>\n<td><span data-path-to-node=\"6,4,2,0\">Ultimate flexibility for clear serums, emulsions, and anhydrous systems.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"6,5,0,0\"><b data-path-to-node=\"6,5,0,0\" data-index-in-node=\"0\">Profil esth\u00e9tique<\/b><\/span><\/td>\n<td><span data-path-to-node=\"6,5,1,0\">Clear, Colorless Solution<\/span><\/td>\n<td><span data-path-to-node=\"6,5,2,0\">Maintains absolute formulation clarity for luxury branding.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-path-to-node=\"8\"><b data-path-to-node=\"8\" data-index-in-node=\"0\">M\u00e9canismes d'action biologiques<\/b><\/h3>\n<p data-path-to-node=\"9\">Our EAA optimizes skin tone and structural integrity through three high-precision physiological pathways:<\/p>\n<table data-path-to-node=\"10\">\n<thead>\n<tr>\n<td><strong>Voie d'Action<\/strong><\/td>\n<td><strong>Impact Biologique<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"10,1,0,0\"><b data-path-to-node=\"10,1,0,0\" data-index-in-node=\"0\">Intracellular Bio-Activation<\/b><\/span><\/td>\n<td><span data-path-to-node=\"10,1,1,0\">Rapidly metabolized into free L-Ascorbic Acid upon dermal penetration, ensuring targeted, potent biological activity.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"10,2,0,0\"><b data-path-to-node=\"10,2,0,0\" data-index-in-node=\"0\">Tyrosinase Enzymatic Inhibition<\/b><\/span><\/td>\n<td><span data-path-to-node=\"10,2,1,0\">Directly blocks tyrosinase activity to curtail the formation of new melanin, effectively treating hyperpigmentation.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"10,3,0,0\"><b data-path-to-node=\"10,3,0,0\" data-index-in-node=\"0\">Cofacteur de la synth\u00e8se du collag\u00e8ne<\/b><\/span><\/td>\n<td><span data-path-to-node=\"10,3,1,0\">Fuels the prolyl and lysyl hydroxylase enzymes essential for creating stable, resilient new collagen fibers.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-path-to-node=\"12\"><b data-path-to-node=\"12\" data-index-in-node=\"0\">Directives de formulation et de traitement<\/b><\/h3>\n<table data-path-to-node=\"13\">\n<thead>\n<tr>\n<td><strong>Param\u00e8tre de formulation<\/strong><\/td>\n<td><strong>Recommandation<\/strong><\/td>\n<td><strong>Application Note<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"13,1,0,0\"><b data-path-to-node=\"13,1,0,0\" data-index-in-node=\"0\">Suggested Dosage<\/b><\/span><\/td>\n<td><span data-path-to-node=\"13,1,1,0\">0,5% \u2013 3,0%<\/span><\/td>\n<td><span data-path-to-node=\"13,1,2,0\">Scalable from daily maintenance brightening to intensive, spot-correction treatments.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"13,2,0,0\"><b data-path-to-node=\"13,2,0,0\" data-index-in-node=\"0\">Instructions de traitement<\/b><\/span><\/td>\n<td><span data-path-to-node=\"13,2,1,0\">Flexible Integration<\/span><\/td>\n<td><span data-path-to-node=\"13,2,2,0\">Highly versatile; can be dissolved directly into the aqueous phase or pre-solubilized in glycols\/ethanol.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"13,3,0,0\"><b data-path-to-node=\"13,3,0,0\" data-index-in-node=\"0\">Fen\u00eatre de pH optimale<\/b><\/span><\/td>\n<td><span data-path-to-node=\"13,3,1,0\">3,0 \u2013 6,0<\/span><\/td>\n<td><span data-path-to-node=\"13,3,2,0\">Maintains peak stability and absorption efficacy within this broad, skin-friendly range.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"13,4,0,0\"><b data-path-to-node=\"13,4,0,0\" data-index-in-node=\"0\">Protocole de stockage<\/b><\/span><\/td>\n<td><span data-path-to-node=\"13,4,1,0\">Cool, Dark, &amp; Sealed<\/span><\/td>\n<td><span data-path-to-node=\"13,4,2,0\">Protect from moisture to maintain the integrity of the 98% purity profile.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-path-to-node=\"15\"><b data-path-to-node=\"15\" data-index-in-node=\"0\">Positionnement strat\u00e9gique sur le march\u00e9 et synergies d'ingr\u00e9dients<\/b><\/h3>\n<p data-path-to-node=\"16\"><b data-path-to-node=\"16\" data-index-in-node=\"0\">Positionnement Commercial :<\/b><\/p>\n<ul data-path-to-node=\"17\">\n<li>\n<p data-path-to-node=\"17,0,0\"><b data-path-to-node=\"17,0,0\" data-index-in-node=\"0\">The &#8220;Luxury-Stable&#8221; Benchmark:<\/b> Positions your product line at the forefront of high-performance skincare by solving the &#8220;browning&#8221; issue inherent in standard Vitamin C.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"17,1,0\"><b data-path-to-node=\"17,1,0\" data-index-in-node=\"0\">The &#8220;Sensitive-Potency&#8221; Balance:<\/b> Provides clinical-strength brightening that is gentle enough for reactive skin, eliminating the &#8220;acid-burn&#8221; narrative.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"17,2,0\"><b data-path-to-node=\"17,2,0\" data-index-in-node=\"0\">Formulation Purity:<\/b> Its colorless nature allows for the creation of aesthetic, &#8220;clean-label&#8221; serums that remain visually perfect throughout their usage period.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"18\"><b data-path-to-node=\"18\" data-index-in-node=\"0\">M\u00e9langes Synergiques Haute Performance :<\/b><\/p>\n<table data-path-to-node=\"19\">\n<thead>\n<tr>\n<td><strong>Association Synergique<\/strong><\/td>\n<td><strong>B\u00e9n\u00e9fice de Formulation Cibl\u00e9<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"19,1,0,0\"><b data-path-to-node=\"19,1,0,0\" data-index-in-node=\"0\">EAA + Niacinamide<\/b><\/span><\/td>\n<td><span data-path-to-node=\"19,1,1,0\">The definitive &#8220;Radiance Matrix&#8221;\u2014fusing direct brightening with metabolic skin-tone evening.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"19,2,0,0\"><b data-path-to-node=\"19,2,0,0\" data-index-in-node=\"0\">EAA + Retinoids<\/b><\/span><\/td>\n<td><span data-path-to-node=\"19,2,1,0\">Combines stable Vitamin C antioxidant defense with retinoid-driven cellular renewal for a total &#8220;Age-Reversal&#8221; serum.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"19,3,0,0\"><b data-path-to-node=\"19,3,0,0\" data-index-in-node=\"0\">EAA + Glabridin<\/b><\/span><\/td>\n<td><span data-path-to-node=\"19,3,1,0\">Pairs rapid-acting Vitamin C brightening with high-end, botanical enzyme-inhibition for comprehensive spot-correction.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-path-to-node=\"21\"><b data-path-to-node=\"21\" data-index-in-node=\"0\">Contr\u00f4le qualit\u00e9 et conformit\u00e9 r\u00e9glementaire<\/b><\/h3>\n<table data-path-to-node=\"22\">\n<thead>\n<tr>\n<td><strong>Domaine de Conformit\u00e9<\/strong><\/td>\n<td><strong>D\u00e9tails d'Assurance<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"22,1,0,0\"><b data-path-to-node=\"22,1,0,0\" data-index-in-node=\"0\">Accr\u00e9ditations de Fabrication<\/b><\/span><\/td>\n<td><span data-path-to-node=\"22,1,1,0\">Synth\u00e9tis\u00e9 selon des protocoles de contr\u00f4le qualit\u00e9 sans compromis au sein de <b data-path-to-node=\"22,1,1,0\" data-index-in-node=\"66\">ISO 9001<\/b>, <b data-path-to-node=\"22,1,1,0\" data-index-in-node=\"76\">ISO 22000<\/b>, and <b data-path-to-node=\"22,1,1,0\" data-index-in-node=\"91\">HALAL<\/b> installations certifi\u00e9es.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"22,2,0,0\"><b data-path-to-node=\"22,2,0,0\" data-index-in-node=\"0\">Normes \u00e9co-\u00e9thiques<\/b><\/span><\/td>\n<td><span data-path-to-node=\"22,2,1,0\">Adh\u00e8re strictement aux <b data-path-to-node=\"22,2,1,0\" data-index-in-node=\"20\">COSMOS<\/b> normes, v\u00e9rifiant que nos mati\u00e8res premi\u00e8res sont conformes aux crit\u00e8res cosm\u00e9tiques naturels, biologiques et \"clean label\".<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"22,3,0,0\"><b data-path-to-node=\"22,3,0,0\" data-index-in-node=\"0\">Documentation R\u00e9glementaire<\/b><\/span><\/td>\n<td><span data-path-to-node=\"22,3,1,0\">Chaque lot est soutenu par un dossier technique complet, y compris les COA, TDS et MSDS.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-path-to-node=\"24\"><b data-path-to-node=\"24\" data-index-in-node=\"0\">Collaborez avec Shaanxi Huatai Bio-fine Chemical Co.<\/b><\/h3>\n<p data-path-to-node=\"25\">Upgrade your brightening and anti-aging lines with our ultra-stable, amphiphilic EAA technology.<\/p>\n<table data-path-to-node=\"26\">\n<thead>\n<tr>\n<td><strong>Offre de Services<\/strong><\/td>\n<td><strong>\u00c9tape actionnable<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"26,1,0,0\"><b data-path-to-node=\"26,1,0,0\" data-index-in-node=\"0\">Acc\u00e9der aux donn\u00e9es techniques<\/b><\/span><\/td>\n<td><span data-path-to-node=\"26,1,1,0\">Request our complete dossier detailing permeation benchmarks (vs. MAP\/SAP), melanin-reduction studies, and stability analytics.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"26,2,0,0\"><b data-path-to-node=\"26,2,0,0\" data-index-in-node=\"0\">\u00c9valuer les \u00e9chantillons<\/b><\/span><\/td>\n<td><span data-path-to-node=\"26,2,1,0\">Claim a complimentary sample to directly evaluate the superior clarity and luxurious integration quality of our EAA.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"26,3,0,0\"><b data-path-to-node=\"26,3,0,0\" data-index-in-node=\"0\">Approvisionnement sur mesure<\/b><\/span><\/td>\n<td><span data-path-to-node=\"26,3,1,0\">Contactez notre \u00e9quipe de vente technique pour obtenir des prix de gros directs d'usine et des conseils sp\u00e9cialis\u00e9s sur votre architecture de formulation.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>3-O-Ethyl Ascorbic Acid (EAA) is a highly stable, non-ionic, etherified derivative of L-Ascorbic Acid (pure Vitamin C). It is distinguished by its exceptional thermal and photo-stability and unique amphiphilic nature (soluble in both water and oil), allowing for superior skin penetration. EAA offers powerful and sustained delivery of Vitamin <span class=\"math-inline\" data-math=\"text{C}\">C<\/span>\u00a0benefits, including skin brightening, collagen synthesis, and antioxidant protection, without the irritation or rapid degradation issues of traditional Vitamin C.<\/p>","protected":false},"featured_media":13213,"template":"","meta":[],"etheme_brands":[],"product_cat":[22],"product_tag":[],"class_list":{"0":"post-13729","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"},"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 Suppliers &amp; Wholesalers | Cosmetic Grade - HuaTai<\/title>\n<meta name=\"description\" content=\"Reliable China Skincare Ingredients Source Factory &amp; Supplier of high-purity 3-O-Ethyl Ascorbic Acid. 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