{"id":14640,"date":"2026-07-07T09:33:06","date_gmt":"2026-07-07T09:33:06","guid":{"rendered":"https:\/\/glabridinchina.com\/?p=14640"},"modified":"2026-07-07T09:42:26","modified_gmt":"2026-07-07T09:42:26","slug":"glabridin-vs-kojic-acid-vs-hydroquinone-which-brightening-active-is-right-for-your-formula","status":"publish","type":"post","link":"https:\/\/glabridinchina.com\/fr\/glabridin-vs-kojic-acid-vs-hydroquinone-which-brightening-active-is-right-for-your-formula\/","title":{"rendered":"Glabridine vs Acide Kojique vs Hydroquinone : quel actif \u00e9claircissant convient \u00e0 votre formule ?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14640\" class=\"elementor elementor-14640\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0ad639f e-flex e-con-boxed e-con e-parent\" data-id=\"0ad639f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2559014 elementor-widget elementor-widget-html\" data-id=\"2559014\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t  <script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@graph\": [\n        {\n            \"@type\": \"Article\",\n            \"headline\": \"Glabridin vs Kojic Acid vs Hydroquinone: Which Brightening Active Is Right for Your Formula?\",\n            \"datePublished\": \"2026-06-29\",\n            \"description\": \"A formulator's comparison of glabridin, kojic acid, and hydroquinone for skin brightening \\u2014 covering mechanism, efficacy data, stability, safety profiles, regulatory status across EU\\\/UK\\\/US\\\/China, and a practical selection framework for brand R&D teams.\",\n            \"author\": {\n                \"@type\": \"Organization\",\n                \"name\": \"Huatai Bio-Fine Chemical\",\n                \"url\": \"https:\\\/\\\/glabridinchina.com\"\n            },\n            \"publisher\": {\n                \"@type\": \"Organization\",\n                \"name\": \"Shaanxi Huatai Bio-Fine Chemical Co., Ltd.\",\n                \"url\": \"https:\\\/\\\/glabridinchina.com\"\n            },\n            \"mainEntityOfPage\": {\n                \"@type\": \"WebPage\",\n                \"@id\": \"https:\\\/\\\/glabridinchina.com\\\/glabridin-vs-kojic-acid-vs-hydroquinone-which-brightening-active-is-right-for-your-formula\\\/\"\n            }\n        },\n        {\n            \"@type\": \"FAQPage\",\n            \"mainEntity\": [\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"Is glabridin safer than hydroquinone?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Based on available cosmetic safety data, glabridin demonstrates a more favorable profile for topical cosmetic use. In a 30-subject patch test, no adverse reactions were observed across all evaluation timepoints. Hydroquinone's safety concerns \\u2014 ochronosis risk, melanocyte cytotoxicity, systemic absorption concerns \\u2014 drove its prohibition in EU, UK, and Chinese cosmetic regulations.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"Why is hydroquinone banned in some countries?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Hydroquinone is prohibited in cosmetic products in the EU, UK, and China due to a combination of safety assessments and multi-factor regulatory risk evaluation, including concerns related to melanocyte toxicity and exogenous ochronosis. In the EU, it is listed in Annex II of Cosmetics Regulation (EC) No 1223\\\/2009. In the US, FDA withdrew the tentative final monograph for OTC skin bleaching drug products in 2020.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"What is a safer alternative to kojic acid in skincare?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Glabridin inhibits tyrosinase through multi-point interactions vs. kojic acid's copper chelation, shows substantially lower IC\\u2085\\u2080 in vitro (~0.09 vs. ~16\\u201317 \\u03bcmol\\\/L, mushroom tyrosinase assay), does not have kojic acid's metal-ion\\u2013catalyzed discoloration problem, and is COSMOS-certifiable for natural and clean beauty positioning.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"Is licorice extract or kojic acid better for skin brightening?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Standardized high-purity glabridin shows substantially greater in vitro tyrosinase inhibitory potency than kojic acid (~185-fold lower IC\\u2085\\u2080 in the same assay system under specific in vitro conditions). High-purity glabridin powder (40%\\u201398%) is the appropriate comparison to kojic acid, not a general licorice extract.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"Is glabridin more effective than vitamin C for brightening?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"In vitro, glabridin's IC\\u2085\\u2080 (~0.09 \\u03bcmol\\\/L) is substantially lower than vitamin C's (~40.10 \\u03bcmol\\\/L), indicating greater enzymatic inhibitory potency per unit concentration. They work through different mechanisms and are complementary. 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padding-top: 18px; border-top: 1px solid var(--color-border); font-size: 12px; color: var(--color-text-muted); line-height: 1.6; }\n\n    @media (max-width: 600px) {\n      .page-wrap { padding: 0 16px 60px; }\n      .key-facts { grid-template-columns: repeat(2, 1fr); }\n      .cta-box { flex-direction: column; align-items: flex-start; }\n      .reg-item { flex-direction: column; gap: 4px; }\n      .reg-market { width: auto; }\n    }\n  <\/style>\n<\/head>\n<body>\n\n  <header class=\"site-header\">\n    <a href=\"https:\/\/glabridinchina.com\/fr\/\" class=\"brand\">Huatai Bio-Fine Chemical<\/a>\n    <span class=\"sep\">\/<\/span>\n    <span class=\"section-label\">Blog<\/span>\n  <\/header>\n\n  <div class=\"page-wrap\">\n    <header class=\"article-header\">\n      <div class=\"tag-row\">\n        <span class=\"tag\">Guide Comparatif<\/span>\n        <span class=\"tag secondary\">Glabridine<\/span>\n        <span class=\"tag secondary\">Acide kojique<\/span>\n        <span class=\"tag secondary\">Hydroquinone<\/span>\n      <\/div>\n      <h1>Glabridine vs Acide Kojique vs Hydroquinone : quel actif \u00e9claircissant convient \u00e0 votre formule ?<\/h1>\n      <p class=\"article-intro\">Trois actifs sont couramment r\u00e9f\u00e9renc\u00e9s dans la formulation cosm\u00e9tique pour l'\u00e9claircissement de la peau et l'hyperpigmentation : l'hydroquinone, l'acide kojique et la glabridine. Chacun a un m\u00e9canisme diff\u00e9rent, une empreinte r\u00e9glementaire diff\u00e9rente et un ensemble de contraintes de formulation diff\u00e9rent. Ce guide examine chacun d'eux en s\u00e9quence, puis les compare directement pour aider les formulateurs et les \u00e9quipes R&amp;D des marques \u00e0 faire le bon choix pour leur application et leur positionnement sur le march\u00e9.<\/p>\n      <div class=\"byline\">\n        <span><strong>Huatai Bio-Fine Chemical<\/strong> \u2014 fabricant d'actifs cosm\u00e9tiques de haute puret\u00e9 depuis 2008<\/span>\n        <span style=\"color:var(--color-border)\">\u00b7<\/span>\n        <span>Publi\u00e9 en juin 2026<\/span>\n        <span style=\"color:var(--color-border)\">\u00b7<\/span>\n        <span>Lecture de 10 min<\/span>\n      <\/div>\n    <\/header>\n\n    <article class=\"article-body\">\n\n      <!-- Key Facts -->\n      <div class=\"key-facts\">\n        <div class=\"fact-item\">\n          <div class=\"fact-value\">185 fois<\/div>\n          <div class=\"fact-label\">vs Acide Kojique CI\u2085\u2080<\/div>\n        <\/div>\n        <div class=\"fact-item\">\n          <div class=\"fact-value\">0 R\u00e9actions ind\u00e9sirables<\/div>\n          <div class=\"fact-label\">Tests cutan\u00e9s<\/div>\n        <\/div>\n        <div class=\"fact-item\">\n          <div class=\"fact-value\">COSMOS<\/div>\n          <div class=\"fact-label\">N\u00b0277614<\/div>\n        <\/div>\n        <div class=\"fact-item\">\n          <div class=\"fact-value\">3 March\u00e9s<\/div>\n          <div class=\"fact-label\">HQ Interdit<\/div>\n        <\/div>\n      <\/div>\n\n      <h2>Pourquoi les marques s'\u00e9loignent de l'hydroquinone<\/h2>\n\n      <p>L'hydroquinone a \u00e9t\u00e9 la r\u00e9f\u00e9rence en mati\u00e8re d'\u00e9claircissement de la peau pendant des d\u00e9cennies \u2014 et en dermatologie clinique, elle reste efficace pour traiter le m\u00e9lasma et d'autres hyperpigmentations persistantes. Mais son statut r\u00e9glementaire a consid\u00e9rablement \u00e9volu\u00e9 sur les principaux march\u00e9s cosm\u00e9tiques, et pour la formulation cosm\u00e9tique en vente libre, ce n'est plus un choix simple.<\/p>\n\n      <h3>Statut r\u00e9glementaire par march\u00e9<\/h3>\n\n      <div class=\"reg-grid\">\n        <div class=\"reg-item\">\n          <div class=\"reg-market\">UE<\/div>\n          <div class=\"reg-status prohibited\">Interdit dans les produits cosm\u00e9tiques (Annexe II, R\u00e8glement CE n\u00b0 1223\/2009). Uniquement autoris\u00e9 dans des syst\u00e8mes sp\u00e9cifiques de teinture capillaire oxydative professionnelle.<\/div>\n        <\/div>\n        <div class=\"reg-item\">\n          <div class=\"reg-market\">Royaume-Uni<\/div>\n          <div class=\"reg-status prohibited\">M\u00eame interdiction post-Brexit (UK Cosmetic Products Enforcement Regulations 2013).<\/div>\n        <\/div>\n        <div class=\"reg-item\">\n          <div class=\"reg-market\">\u00c9tats-Unis<\/div>\n          <div class=\"reg-status\">La FDA a retir\u00e9 le monographe provisoire final pour les produits de blanchiment de la peau en vente libre en 2020 \u2014 les produits \u00e0 base d'hydroquinone en vente libre n'ont plus de voie r\u00e9glementaire approuv\u00e9e. L'utilisation sur ordonnance reste disponible sous supervision m\u00e9dicale.<\/div>\n        <\/div>\n        <div class=\"reg-item\">\n          <div class=\"reg-market\">Japon<\/div>\n          <div class=\"reg-status\">Restreint ; l'utilisation en quasi-m\u00e9dicament n\u00e9cessite une approbation r\u00e9glementaire.<\/div>\n        <\/div>\n        <div class=\"reg-item\">\n          <div class=\"reg-market\">Chine<\/div>\n          <div class=\"reg-status prohibited\">Interdit en vertu des normes de s\u00e9curit\u00e9 et techniques pour les cosm\u00e9tiques (\u00e9dition 2015).<\/div>\n        <\/div>\n        <div class=\"reg-item\">\n          <div class=\"reg-market\">Australie<\/div>\n          <div class=\"reg-status\">Non autoris\u00e9 dans les produits cosm\u00e9tiques ; m\u00e9dicament disponible uniquement en pharmacie.<\/div>\n        <\/div>\n      <\/div>\n\n      <p>La cons\u00e9quence pratique pour les marques formulant pour une distribution mondiale est claire : l'hydroquinone ne peut pas \u00eatre utilis\u00e9e dans les produits cosm\u00e9tiques dans l'UE, au Royaume-Uni ou en Chine, et fait face \u00e0 un changement de voie r\u00e9glementaire d\u00e9fini sur le march\u00e9 am\u00e9ricain. Les marques ciblant une distribution multi-march\u00e9s sont de plus en plus tenues de reformuler loin de l'hydroquinone, m\u00eame dans des sc\u00e9narios de positionnement \u00e0 haute efficacit\u00e9.<\/p>\n\n      <h3>Pourquoi \u00e7a marche \u2014 et pourquoi cela soul\u00e8ve des pr\u00e9occupations de s\u00e9curit\u00e9<\/h3>\n\n      <p>L'hydroquinone inhibe la tyrosinase en agissant comme un analogue de substrat, entrant en comp\u00e9tition avec la tyrosine et la DOPA pour le site actif de l'enzyme. Elle exerce \u00e9galement des effets cytotoxiques cibl\u00e9s sur les m\u00e9lanocytes et m\u00e9di\u00e9s par le stress oxydatif, qui contribuent \u00e0 sa forte efficacit\u00e9 d\u00e9pigmentante mais sous-tendent \u00e9galement les pr\u00e9occupations de s\u00e9curit\u00e9 associ\u00e9es \u00e0 une utilisation prolong\u00e9e \u2014 y compris le potentiel d'ochronose (assombrissement paradoxal de la peau) avec une application \u00e0 long terme ou \u00e0 forte concentration, et des pr\u00e9occupations signal\u00e9es concernant l'absorption syst\u00e9mique en cas d'utilisation excessive ou inappropri\u00e9e.<\/p>\n\n      <p>Ces pr\u00e9occupations sont ce qui a conduit l'UE et d'autres organismes de r\u00e9glementation \u00e0 interdire son utilisation cosm\u00e9tique. Pour la dermatologie sur ordonnance sous supervision m\u00e9dicale, l'\u00e9valuation b\u00e9n\u00e9fice-risque reste favorable pour des indications sp\u00e9cifiques. Pour une utilisation cosm\u00e9tique en vente libre, la tendance r\u00e9glementaire mondiale s'oriente vers des cadres de restriction non cosm\u00e9tiques ou sur ordonnance uniquement.<\/p>\n\n      <h2>Acide Kojique : Efficace mais difficile \u00e0 formuler<\/h2>\n\n      <p>L'acide kojique (5-hydroxy-2-(hydroxym\u00e9thyl)-4H-pyran-4-one) est un compos\u00e9 d'origine naturelle produit par fermentation fongique, le plus souvent \u00e0 partir de <em>Aspergillus oryzae<\/em>. Il inhibe la tyrosinase par ch\u00e9lation du cuivre au site actif binoyau de cuivre de l'enzyme, r\u00e9duisant la disponibilit\u00e9 des cofacteurs de cuivre requis pour les r\u00e9actions d'oxydation impliqu\u00e9es dans la formation des pr\u00e9curseurs de m\u00e9lanine.<\/p>\n\n      <div class=\"active-card\">\n        <div class=\"active-card-name\">Acide Kojique \u2014 Param\u00e8tres cl\u00e9s<\/div>\n        <dl>\n          <div>\n            <dt>Efficacit\u00e9<\/dt>\n            <dd>CI\u2085\u2080 ~16\u201317 \u03bcmol\/L contre la tyrosinase de champignon (in vitro). Actif bien \u00e9tabli avec des d\u00e9cennies d'utilisation, en particulier sur les march\u00e9s asiatiques.<\/dd>\n          <\/div>\n          <div>\n            <dt>D\u00e9fi de stabilit\u00e9<\/dt>\n            <dd>\n              <ul class=\"stability-list\">\n                <li><strong>Oxydation catalys\u00e9e par les ions m\u00e9talliques :<\/strong> En pr\u00e9sence de traces de fer (et d'autres m\u00e9taux comme le cuivre), il subit une oxydation entra\u00eenant une d\u00e9coloration brun-rouge \u2014 l'un des principaux contributeurs aux plaintes des consommateurs dans les formulations \u00e0 base d'acide kojique.<\/li>\n                <li><strong>Exposition aux UV et \u00e0 la chaleur :<\/strong> Photod\u00e9gradation et oxydation thermique sans protection ad\u00e9quate.<\/li>\n                <li><strong>Sensibilit\u00e9 au pH :<\/strong> Plus stable \u00e0 pH 4,5\u20135,5 ; se d\u00e9grade plus rapidement \u00e0 pH plus \u00e9lev\u00e9.<\/li>\n              <\/ul>\n              La stabilisation n\u00e9cessite des ch\u00e9lateurs (EDTA ou phytate de sodium) + des antioxydants + parfois des agents masquant la couleur. Cela ajoute du co\u00fbt et de la complexit\u00e9, et n'\u00e9limine toujours pas compl\u00e8tement le risque de d\u00e9coloration en cas de stabilit\u00e9 \u00e0 long terme dans des conditions de stockage r\u00e9elles.\n            <\/dd>\n          <\/div>\n          <div>\n            <dt>Statut r\u00e9glementaire<\/dt>\n            <dd>UE : autoris\u00e9 jusqu'\u00e0 1 % dans les produits pour le visage et les mains (SCCS\/1625\/20, 2019). Japon : cadre quasi-m\u00e9dicament (MHLW). La plupart des autres march\u00e9s : autoris\u00e9. Le statut est p\u00e9riodiquement r\u00e9vis\u00e9 dans certaines juridictions.<\/dd>\n          <\/div>\n          <div>\n            <dt>Sensibilisation<\/dt>\n            <dd>Associ\u00e9 \u00e0 un potentiel de sensibilisation \u00e0 des concentrations sup\u00e9rieures \u00e0 1 % dans certaines \u00e9tudes \u2014 limite les niveaux d'utilisation pratiques dans les produits sans rin\u00e7age pour un positionnement sur peau sensible.<\/dd>\n          <\/div>\n        <\/dl>\n      <\/div>\n\n      <h2>Glabridine : un isoflavono\u00efde naturel \u00e0 activit\u00e9 multipathway<\/h2>\n\n      <p>La glabridine est un isoflavono\u00efde extrait de <em>Glycyrrhiza glabra<\/em> (racine de r\u00e9glisse). Contrairement \u00e0 l'hydroquinone et \u00e0 l'acide kojique, la glabridine combine une inhibition document\u00e9e de la tyrosinase avec un profil de s\u00e9curit\u00e9 favorable, une origine naturelle et une \u00e9ligibilit\u00e9 \u00e0 la certification COSMOS.<\/p>\n\n      <div class=\"active-card\">\n        <div class=\"active-card-name\">Glabridine \u2014 Param\u00e8tres cl\u00e9s<\/div>\n        <dl>\n          <div>\n            <dt>M\u00e9canisme<\/dt>\n            <dd>Inhibition de la tyrosinase par des interactions multipoints au sein du site actif de l'enzyme \u2014 les groupes hydroxyles ph\u00e9noliques contribuent \u00e0 la liaison hydrog\u00e8ne et \u00e0 la stabilisation du complexe ligand-enzyme, bloquant l'oxydation de la tyrosine et de la DOPA en pr\u00e9curseurs de m\u00e9lanine. Inhibe en outre la pigmentation induite par les UVB par des m\u00e9canismes partiellement ind\u00e9pendants de l'inhibition directe de la tyrosinase, impliquant probablement une modulation de la signalisation en amont.<\/dd>\n          <\/div>\n          <div>\n            <dt>Donn\u00e9es d'efficacit\u00e9<\/dt>\n            <dd>\n              <ul>\n                <li>CI\u2085\u2080 in vitro contre la tyrosinase de champignon : ~0,09 \u03bcmol\/L, compar\u00e9 aux ~16\u201317 \u03bcmol\/L de l'acide kojique \u2014 une diff\u00e9rence d'environ 185 fois dans ces conditions in vitro sp\u00e9cifiques<\/li>\n                <li>\u00c9tude clinique humaine de 4 semaines (35 sujets, certifi\u00e9e CMA) : r\u00e9duction de 16,8 % de l'indice de m\u00e9lanine \u00e0 0,03 % de glabridine active (Rapport GZA01-23080632-JC-01)<\/li>\n                <li>Test cutan\u00e9 humain (30 sujets, certifi\u00e9 CMA) : 0 r\u00e9action ind\u00e9sirable \u00e0 tous les points de temps d'observation<\/li>\n              <\/ul>\n            <\/dd>\n          <\/div>\n          <div>\n            <dt>Stabilit\u00e9<\/dt>\n            <dd>G\u00e9n\u00e9ralement stable dans des conditions de formulation l\u00e9g\u00e8rement acides \u00e0 neutres (environ pH 5,0\u20136,5, d\u00e9pendant de la formulation). Sensible aux UV (lumi\u00e8re naturelle : ~20 % de d\u00e9gradation en 8h ; UV : ~27 % en 8h). Ne pr\u00e9sente pas l'instabilit\u00e9 de d\u00e9coloration catalys\u00e9e par les ions m\u00e9talliques de l'acide kojique. Un emballage barri\u00e8re aux UV et des co-ingr\u00e9dients antioxydants peuvent att\u00e9nuer la sensibilit\u00e9 \u00e0 la lumi\u00e8re.<\/dd>\n          <\/div>\n          <div>\n            <dt>Origine Naturelle &amp; Certification<\/dt>\n            <dd>\u00c9ligible selon la norme COSMOS Natural en tant qu'Ingr\u00e9dient Agroalimentaire Transform\u00e9 Physiquement (PPAI). <a href=\"https:\/\/glabridinchina.com\/fr\/produit\/glabridine-2\/\" style=\"color:var(--color-accent);font-weight:600;\">Grades 40 % , 90 % et 98 % de Huatai Bio<\/a> sont certifi\u00e9s COSMOS v4 (Ecocert Greenlife SAS, Certificat N\u00b0277614, valide jusqu'au 31 d\u00e9cembre 2026).<\/dd>\n          <\/div>\n        <\/dl>\n      <\/div>\n\n      <h2>Comparaison c\u00f4te \u00e0 c\u00f4te<\/h2>\n\n      <div class=\"table-wrap\">\n        <table>\n          <thead>\n            <tr>\n              <th><\/th>\n              <th>Glabridine<\/th>\n              <th>Acide kojique<\/th>\n              <th>Hydroquinone<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td><strong>M\u00e9canisme<\/strong><\/td>\n              <td>Inhibition multi-points de la tyrosinase + suppression de la pigmentation induite par les UVB<\/td>\n              <td>Ch\u00e9lation du cuivre au site actif de la tyrosinase<\/td>\n              <td>Comp\u00e9tition de substrat de la tyrosinase + cytotoxicit\u00e9 des m\u00e9lanocytes<\/td>\n            <\/tr>\n            <tr>\n              <td><strong>IC\u2085\u2080 in vitro<\/strong><\/td>\n              <td>~0,09 \u03bcmol\/L (essai sur tyrosinase de champignon)<\/td>\n              <td>~16\u201317 \u03bcmol\/L (essai sur tyrosinase de champignon)<\/td>\n              <td>Non directement comparable (m\u00e9canisme cytotoxique)<\/td>\n            <\/tr>\n            <tr>\n              <td><strong>Stabilit\u00e9<\/strong><\/td>\n              <td>Bon \u00e0 pH 5,0\u20136,5 ; sensible aux UV ; pas de probl\u00e8me de d\u00e9coloration par ions m\u00e9talliques<\/td>\n              <td>Faible ; l'oxydation catalys\u00e9e par les ions m\u00e9talliques provoque une d\u00e9coloration ; n\u00e9cessite des ch\u00e9lateurs + antioxydants<\/td>\n              <td>Mod\u00e9r\u00e9 ; s'oxyde en quinones ; sensible au pH<\/td>\n            <\/tr>\n            <tr>\n              <td><strong>Profil de s\u00e9curit\u00e9<\/strong><\/td>\n              <td>Favorable ; non irritant ; 0 r\u00e9action ind\u00e9sirable dans un test de patch sur 30 sujets ; aucun signal canc\u00e9rig\u00e8ne dans les \u00e9tudes topiques disponibles<\/td>\n              <td>Mod\u00e9r\u00e9 ; potentiel de sensibilisation \u00e0 &gt;1 % ; statut r\u00e9glementaire r\u00e9vis\u00e9 p\u00e9riodiquement<\/td>\n              <td>Pr\u00e9occupations : risque d'ochronose en cas d'utilisation prolong\u00e9e ; cytotoxicit\u00e9 ; absorption syst\u00e9mique en cas d'utilisation excessive<\/td>\n            <\/tr>\n            <tr>\n              <td><strong>Statut r\u00e9glementaire<\/strong><\/td>\n              <td>Non restreint sur les principaux march\u00e9s cosm\u00e9tiques ; certifiable COSMOS (certains grades)<\/td>\n              <td>Autoris\u00e9 dans l'UE (\u22641 %), au Japon (quasi-m\u00e9dicament) et dans la plupart des march\u00e9s ; r\u00e9vis\u00e9 p\u00e9riodiquement<\/td>\n              <td>Interdit dans les cosm\u00e9tiques de l'UE, du Royaume-Uni, de Chine ; pas de voie OTC approuv\u00e9e aux \u00c9tats-Unis ; sur ordonnance dans plusieurs march\u00e9s<\/td>\n            <\/tr>\n            <tr>\n              <td><strong>Origine naturelle<\/strong><\/td>\n              <td>Oui \u2014 extrait botanique de <em>Glycyrrhiza glabra<\/em>; \u00e9ligible COSMOS<\/td>\n              <td>Fermentation fongique ; non certifiable COSMOS<\/td>\n              <td>Synth\u00e9tique ; origine non naturelle<\/td>\n            <\/tr>\n            <tr>\n              <td><strong>Meilleure application<\/strong><\/td>\n              <td>Tous les march\u00e9s ; clean beauty ; formules certifi\u00e9es COSMOS ; marques multi-march\u00e9s<\/td>\n              <td>Formules \u00e0 co\u00fbt ma\u00eetris\u00e9 sur les march\u00e9s autoris\u00e9s ; n\u00e9cessite une strat\u00e9gie de stabilisation<\/td>\n              <td>Dermatologie sur ordonnance sous supervision m\u00e9dicale ; ne convient pas aux cosm\u00e9tiques OTC sur les principaux march\u00e9s<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Lequel choisir pour votre formule ?<\/h2>\n\n      <div class=\"selection-grid\">\n        <div class=\"selection-item\">\n          <div class=\"selection-item-label\">UE, Royaume-Uni ou Chine<\/div>\n          <p>L'hydroquinone n'est pas une option. Entre l'acide kojique et la glabridine : la limite de concentration de l'acide kojique dans l'UE (1 %) et les exigences de stabilisation contraignent la formulation haut de gamme. La glabridine n'a pas de limite de concentration maximale sp\u00e9cifique dans la r\u00e9glementation europ\u00e9enne, offre une IC\u2085\u2080 plus faible dans les syst\u00e8mes d'essais in vitro rapport\u00e9s et est \u00e9ligible COSMOS sous des grades sp\u00e9cifiques.<\/p>\n        <\/div>\n        <div class=\"selection-item\">\n          <div class=\"selection-item-label\">March\u00e9 am\u00e9ricain<\/div>\n          <p>L'hydroquinone fait face \u00e0 un changement de voie r\u00e9glementaire d\u00e9fini suite au retrait de la monographie OTC de la FDA en 2020. L'acide kojique est autoris\u00e9 mais non r\u00e9glement\u00e9 en tant qu'ingr\u00e9dient m\u00e9dicamenteux, ce qui limite les revendications d'efficacit\u00e9. La glabridine est autoris\u00e9e sans restrictions de concentration sp\u00e9cifiques et soutient les revendications d'\u00e9claircissement bas\u00e9es sur des donn\u00e9es in vitro et cliniques.<\/p>\n        <\/div>\n        <div class=\"selection-item\">\n          <div class=\"selection-item-label\">Clean Beauty \/ Certifi\u00e9 Naturel<\/div>\n          <p>La glabridine est la seule des trois options certifiable COSMOS sous des grades sp\u00e9cifiques. Ni l'acide kojique ni l'hydroquinone ne sont \u00e9ligibles selon la norme COSMOS.<\/p>\n        <\/div>\n        <div class=\"selection-item\">\n          <div class=\"selection-item-label\">OEM ax\u00e9 sur le co\u00fbt \/ march\u00e9 de masse<\/div>\n          <p>L'acide kojique reste accessible en termes de co\u00fbt et efficace lorsqu'il est correctement stabilis\u00e9 sur les march\u00e9s o\u00f9 il est autoris\u00e9. Le co\u00fbt plus \u00e9lev\u00e9 de la mati\u00e8re premi\u00e8re de la glabridine est partiellement compens\u00e9 par des niveaux d'utilisation plus faibles dans certains syst\u00e8mes de formulation, en fonction de la conception des performances cibles.<\/p>\n        <\/div>\n        <div class=\"selection-item\">\n          <div class=\"selection-item-label\">Distribution mondiale multi-march\u00e9s<\/div>\n          <p>La glabridine est une option tr\u00e8s pratique pour le positionnement cosm\u00e9tique inter-march\u00e9s \u2014 non restreinte sur les principaux march\u00e9s cosm\u00e9tiques, \u00e9ligible \u00e0 la classification COSMOS Natural sous des grades appropri\u00e9s, et implique g\u00e9n\u00e9ralement moins de contraintes de formulation par rapport \u00e0 l'hydroquinone et \u00e0 l'acide kojique en termes de positionnement r\u00e9glementaire et d'exigences de stabilisation.<\/p>\n        <\/div>\n      <\/div>\n\n      <h2>Pourquoi choisir Huatai Bio<\/h2>\n\n      <p>Shaanxi Huatai Bio-Fine Chemical Co., Ltd. fournit <a href=\"https:\/\/glabridinchina.com\/fr\/produit\/glabridine-2\/\" style=\"color:var(--color-accent);font-weight:600;\">Poudre de glabridine certifi\u00e9e COSMOS<\/a> en grades allant de 40 % \u00e0 99 % aux marques cosm\u00e9tiques et aux fabricants OEM dans plus de 30 pays.<\/p>\n\n      <ul>\n        <li>Certifi\u00e9 COSMOS v4 (Ecocert Greenlife SAS, N\u00b0277614, valide jusqu'au 31 d\u00e9c. 2026) pour les grades 40 %, 90 % et 98 %<\/li>\n        <li>Puret\u00e9 v\u00e9rifi\u00e9e par Intertek : 99,3% HPLC (Rapport SHAH01681145)<\/li>\n        <li>Donn\u00e9es d'\u00e9tudes cliniques humaines disponibles (4 semaines, 35 sujets, certifi\u00e9 CMA)<\/li>\n        <li>Gamme compl\u00e8te de grades : soluble dans l'alcool (40 %, 90 %, 98 %, 99 %), soluble dans l'huile (90 %), soluble dans l'eau (10 %), grades liquides (10 %\u201350 %)<\/li>\n        <li>COA de lot fourni avec chaque commande ; chromatogramme HPLC, rapport sur les m\u00e9taux lourds, rapport sur les r\u00e9sidus de pesticides sur demande<\/li>\n        <li>\u00c9chantillons et documentation technique g\u00e9n\u00e9ralement disponibles dans les 24 heures<\/li>\n      <\/ul>\n\n      <h2>Foire aux questions<\/h2>\n\n      <div class=\"faq-item\">\n        <div class=\"faq-question\">Le glabridine est-il plus s\u00fbr que l'hydroquinone ?<\/div>\n        <div class=\"faq-answer\">Sur la base des donn\u00e9es de s\u00e9curit\u00e9 cosm\u00e9tique disponibles, la glabridine pr\u00e9sente un profil plus favorable pour une utilisation cosm\u00e9tique topique. Lors d'un test de patch sur 30 sujets, aucune r\u00e9action ind\u00e9sirable n'a \u00e9t\u00e9 observ\u00e9e \u00e0 tous les points de contr\u00f4le d'\u00e9valuation. Les \u00e9tudes disponibles indiquent une bonne tol\u00e9rance cutan\u00e9e, sans aucun signal canc\u00e9rig\u00e8ne rapport\u00e9 dans les donn\u00e9es d'utilisation topique actuelles. Les pr\u00e9occupations de s\u00e9curit\u00e9 de l'hydroquinone \u2014 y compris le risque d'ochronose en cas d'utilisation prolong\u00e9e, la cytotoxicit\u00e9 des m\u00e9lanocytes et les pr\u00e9occupations d'absorption syst\u00e9mique \u2014 sont ce qui a conduit \u00e0 son interdiction dans les r\u00e9glementations cosm\u00e9tiques de l'UE, du Royaume-Uni et de Chine. Pour la formulation cosm\u00e9tique, la glabridine ne pr\u00e9sente pas les m\u00eames pr\u00e9occupations en mati\u00e8re de s\u00e9curit\u00e9 et de r\u00e9glementation.<\/div>\n      <\/div>\n\n      <div class=\"faq-item\">\n        <div class=\"faq-question\">Pourquoi l'hydroquinone est-elle interdite dans certains pays ?<\/div>\n        <div class=\"faq-answer\">L'hydroquinone est interdite dans les produits cosm\u00e9tiques dans l'UE, au Royaume-Uni et en Chine en raison d'une combinaison d'\u00e9valuations de s\u00e9curit\u00e9 et d'une \u00e9valuation des risques r\u00e9glementaires multifactoriels, y compris les pr\u00e9occupations li\u00e9es aux profils d'utilisation topique \u00e0 long terme tels que la toxicit\u00e9 des m\u00e9lanocytes et l'ochronose exog\u00e8ne dans certaines conditions d'utilisation. Dans l'UE, elle est inscrite \u00e0 l'annexe II du r\u00e8glement cosm\u00e9tique (CE) n\u00b0 1223\/2009. Aux \u00c9tats-Unis, la FDA a retir\u00e9 la monographie provisoire finale pour les produits de blanchiment de la peau en vente libre en 2020. Ces restrictions s'appliquent aux produits cosm\u00e9tiques ; les pr\u00e9parations dermatologiques sur ordonnance restent disponibles sur certains march\u00e9s sous surveillance m\u00e9dicale.<\/div>\n      <\/div>\n\n      <div class=\"faq-item\">\n        <div class=\"faq-question\">Quelle est une alternative plus s\u00fbre \u00e0 l'acide kojique dans les soins de la peau ?<\/div>\n        <div class=\"faq-answer\">Le glabridin est un substitut bien document\u00e9 de l'acide kojique pour les formules \u00e9claircissantes. Il inhibe la tyrosinase par des interactions multipoints (vs la ch\u00e9lation du cuivre de l'acide kojique), pr\u00e9sente une IC\u2085\u2080 in vitro nettement plus faible (~0,09 vs ~16\u201317 \u03bcmol\/L, test de tyrosinase sur champignon, diff\u00e9rence d'environ 185 fois dans des conditions in vitro sp\u00e9cifiques), ne pr\u00e9sente pas le probl\u00e8me de d\u00e9coloration catalys\u00e9e par les ions m\u00e9talliques de l'acide kojique, et est certifiable COSMOS pour un positionnement naturel et clean beauty.<\/div>\n      <\/div>\n\n      <div class=\"faq-item\">\n        <div class=\"faq-question\">L'extrait de r\u00e9glisse ou l'acide kojique est-il meilleur pour \u00e9claircir la peau ?<\/div>\n        <div class=\"faq-answer\">Cela d\u00e9pend du compos\u00e9 d\u00e9riv\u00e9 de la r\u00e9glisse compar\u00e9. Le glabridin standardis\u00e9 de haute puret\u00e9 \u2014 le monom\u00e8re \u00e9claircissant le plus puissant de <em>Glycyrrhiza glabra<\/em> \u2014 pr\u00e9sente une puissance inhibitrice de la tyrosinase in vitro nettement sup\u00e9rieure \u00e0 celle de l'acide kojique (~185 fois IC\u2085\u2080 plus faible dans le m\u00eame syst\u00e8me de dosage dans des conditions in vitro sp\u00e9cifiques). \u00c0 des fins de formulation, la poudre de glabridin de haute puret\u00e9 (40%\u201398%) est la comparaison appropri\u00e9e \u00e0 l'acide kojique, et non un extrait g\u00e9n\u00e9ral de r\u00e9glisse.<\/div>\n      <\/div>\n\n      <div class=\"faq-item\">\n        <div class=\"faq-question\">Le glabridin est-il plus efficace que la vitamine C pour \u00e9claircir ?<\/div>\n        <div class=\"faq-answer\">In vitro, l'IC\u2085\u2080 du glabridin (~0,09 \u03bcmol\/L) est nettement inf\u00e9rieure \u00e0 l'IC\u2085\u2080 rapport\u00e9e de la vitamine C (~40,10 \u03bcmol\/L) dans des conditions de dosage comparables \u2014 indiquant une plus grande puissance inhibitrice enzymatique par unit\u00e9 de concentration. Cependant, la vitamine C agit par un m\u00e9canisme diff\u00e9rent (r\u00e9duction de la DOPA-quinone en DOPA et inhibition de la polym\u00e9risation de la m\u00e9lanine), et les deux actifs sont compl\u00e9mentaires plut\u00f4t que concurrents. La comparaison pratique la plus pertinente est la stabilit\u00e9 : la vitamine C (acide ascorbique) s'oxyde rapidement dans les syst\u00e8mes aqueux, ce qui la rend nettement plus difficile \u00e0 stabiliser que le glabridin.<\/div>\n      <\/div>\n\n      <!-- Related -->\n      <div class=\"related-section\">\n        <h2>Ressources connexes<\/h2>\n        <div class=\"related-links\">\n          <a class=\"related-link\" href=\"https:\/\/glabridinchina.com\/fr\/produit\/glabridine-2\/\">\n            <div class=\"related-link-meta\">\n              <span class=\"related-link-label\">Page Produit<\/span>\n              <span>Glabridine \u2014 Grades de poudre 40%, 90%, 98% certifi\u00e9s COSMOS<\/span>\n            <\/div>\n            <span class=\"related-link-arrow\">\u2192<\/span>\n          <\/a>\n          <a class=\"related-link\" href=\"https:\/\/glabridinchina.com\/fr\/the-best-brightening-actives-for-hyperpigmentation-formulas-and-how-to-choose-between-them\/\">\n            <div class=\"related-link-meta\">\n              <span class=\"related-link-label\">Guide de formulation<\/span>\n              <span>Les Meilleurs Actifs \u00c9claircissants pour les Formules d'Hyperpigmentation \u2014 Et Comment les Choisir<\/span>\n            <\/div>\n            <span class=\"related-link-arrow\">\u2192<\/span>\n          <\/a>\n          <a class=\"related-link\" href=\"https:\/\/glabridinchina.com\/fr\/glabridin-vs-alpha-arbutin-different-roles-in-modern-brightening-systems\/\">\n            <div class=\"related-link-meta\">\n              <span class=\"related-link-label\">Guide Comparatif<\/span>\n              <span>Glabridin vs Alpha Arbutine : Quel actif \u00e9claircissant donne de meilleurs r\u00e9sultats ?<\/span>\n            <\/div>\n            <span class=\"related-link-arrow\">\u2192<\/span>\n          <\/a>\n        <\/div>\n      <\/div>\n\n      <!-- CTA -->\n      <div class=\"cta-box\">\n        <div class=\"cta-box-text\">\n          <strong>Demander des \u00e9chantillons, des donn\u00e9es cliniques ou de la documentation technique<\/strong>\n          glabridinchina.com \u00b7 +86 17868678161\n        <\/div>\n        <a class=\"cta-btn\" href=\"https:\/\/glabridinchina.com\/fr\/nous-contacter\/\">Contactez-nous \u2192<\/a>\n      <\/div>\n\n      <!-- References -->\n      <div class=\"references\">\n        <h2>R\u00e9f\u00e9rences<\/h2>\n        <ol>\n          <li>Kubo I, Kinst-Hori I. Inhibiteurs de la tyrosinase issus de la glabridine. Bioorganic &amp; Medicinal Chemistry, 1999, 7(7):1373-1379<\/li>\n          <li>Yokota T, et al. L'effet inhibiteur de la glabridine extraite de la r\u00e9glisse sur la m\u00e9lanogen\u00e8se et l'inflammation. Pigment Cell Research, 1998, 11(6):355-361<\/li>\n          <li>Ao M, et al. \u00c9tude de stabilit\u00e9 du glabridin dans diff\u00e9rentes conditions. Natural Product Communications, 2010, 5(12):1907-1912<\/li>\n          <li>R\u00e8glement cosm\u00e9tique UE (CE) n\u00b0 1223\/2009, Annexe II \u2014 Liste des substances interdites dans les produits cosm\u00e9tiques<\/li>\n          <li>SCCS (Comit\u00e9 scientifique pour la s\u00e9curit\u00e9 des consommateurs). Avis sur l'acide kojique. SCCS\/1625\/20, 2019<\/li>\n          <li>US FDA. Produits de blanchiment de la peau pour usage humain en vente libre ; Retrait des propositions de r\u00e8gles. Federal Register, 2020<\/li>\n          <li>Guangdong Weipu Testing Technology Co., Ltd. (certifi\u00e9 CMA) \u2014 Rapport d'\u00e9tude clinique GZA01-23080632-JC-01<\/li>\n          <li>Ecocert Greenlife SAS \u2014 Certificat COSMOS v4 N\u00b0277614-20251216_0226 (Huatai Bio-Fine Chemical)<\/li>\n          <li>Intertek Testing Services Ltd., Shanghai \u2014 Rapport de puret\u00e9 HPLC SHAH01681145<\/li>\n        <\/ol>\n      <\/div>\n\n      <div class=\"article-footer\">\n        <p>Pour les formulateurs cosm\u00e9tiques, les \u00e9quipes R&amp;D des marques et les fabricants OEM. Ne constitue pas un avis r\u00e9glementaire ou m\u00e9dical.<br>\n        Publi\u00e9 en juin 2026 \u2014 Shaanxi Huatai Bio-Fine Chemical Co., Ltd., Xi'an, Shaanxi, Chine.<\/p>\n      <\/div>\n\n    <\/article>\n  <\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Huatai Bio-Fine Chemical \/ Blog Guide comparatif Glabridine Acide Kojique Hydroquinone Glabridine vs Acide Kojique vs Hydroquinone : Quel actif \u00e9claircissant est le plus adapt\u00e9 \u00e0 votre formule ?\u2026<\/p>","protected":false},"author":8,"featured_media":11052,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[415],"tags":[],"class_list":["post-14640","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cosmetic-ingredients-insights"],"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>Glabridin vs Kojic Acid vs Hydroquinone: Which Brightening Active Is Right for Your Formula? - Shaanxi Huatai Bio-Fine Chemical Co., Ltd.<\/title>\n<meta name=\"description\" content=\"Compare glabridin, kojic acid, and hydroquinone for skin brightening formulas. 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