{"id":15388,"date":"2026-07-14T09:04:01","date_gmt":"2026-07-14T09:04:01","guid":{"rendered":"https:\/\/glabridinchina.com\/?p=15388"},"modified":"2026-07-17T01:54:58","modified_gmt":"2026-07-17T01:54:58","slug":"the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols","status":"publish","type":"post","link":"https:\/\/glabridinchina.com\/fr\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/","title":{"rendered":"The Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols"},"content":{"rendered":"
\n\n

\n Entrez dans n'importe quel laboratoire de fabrication de cosm\u00e9tiques et demandez au chimiste en chef de m\u00e9langer l'Alpha Arbutine avec l'Acide Kojique. Regardez son visage se d\u00e9composer.\n <\/p>\n

\n Les marques adorent cette combinaison sur le papier. Les deux ingr\u00e9dients ciblent agressivement l'hyperpigmentation. Les formulateurs d\u00e9testent g\u00e9n\u00e9ralement travailler avec eux ensemble. J'ai vu un client jeter tout un lot de production de s\u00e9rum \u00e9claircissant premium le mois dernier. Le liquide a pris la couleur d'une vieille pi\u00e8ce de monnaie oxyd\u00e9e apr\u00e8s seulement trois semaines dans un entrep\u00f4t chaud. \n <\/p>\n\n

\n Pire que le changement de couleur ? Le s\u00e9rum est devenu techniquement ill\u00e9gal.<\/strong> Vous ne pouvez pas simplement m\u00e9langer deux ingr\u00e9dients actifs puissants dans une base aqueuse et esp\u00e9rer le meilleur. Examinons le champ de bataille chimique r\u00e9el \u00e0 l'int\u00e9rieur de la cuve de m\u00e9lange.\n <\/blockquote>\n\n

Le conflit m\u00e9canique<\/h2>\n

\n L'Alpha Arbutine et l'Acide Kojique attaquent la production de m\u00e9lanine au m\u00eame endroit : la enzyme tyrosinase<\/strong>. \n L'Acide Kojique agit comme une griffe.<\/span> Il ch\u00e9late les ions cuivre dont l'enzyme a besoin pour fonctionner, cassant ainsi la machine. \n L'Alpha Arbutine agit comme un leurre.<\/span> Elle imite les \u00e9l\u00e9ments constitutifs naturels de la m\u00e9lanine, bloquant les engrenages de l'enzyme par inhibition comp\u00e9titive.\n <\/p>\n

\n La synergie est massive. Le profil de stabilit\u00e9 est un cauchemar.<\/strong>\n <\/p>\n

\n L'Acide Kojique est tr\u00e8s r\u00e9actif. Il s'oxyde rapidement \u00e0 l'exposition \u00e0 l'air et \u00e0 la lumi\u00e8re UV, formant des compos\u00e9s polym\u00e9riques brun fonc\u00e9. Il se lie \u00e9galement violemment avec les traces de fer (Fe3+) dans votre eau, rendant la solution rouge sang ou brun fonc\u00e9 presque instantan\u00e9ment.\n <\/p>\n\n

La menace du pH et le risque d'hydroquinone<\/h2>\n

\n Mais la plus grande menace est le conflit de pH. L'Acide Kojique est intrins\u00e8quement acide. Lorsqu'il est ajout\u00e9 \u00e0 l'eau, il fait baisser le pH. L'Alpha Arbutine est un glycoside. Elle n\u00e9cessite un environnement de pH stable entre 4,5 et 6,5<\/strong>.\n <\/p>\n

\n Si l'Acide Kojique fait descendre le pH de la formule en dessous de 4,0, les liaisons glycosidiques de l'Alpha Arbutine commencent \u00e0 se rompre. Cette r\u00e9action d'hydrolyse lib\u00e8re de l'hydroquinone<\/strong> dans votre s\u00e9rum. L'hydroquinone est strictement interdite<\/strong> dans les cosm\u00e9tiques sur la plupart des march\u00e9s mondiaux. Un s\u00e9rum d'Acide Kojique et d'Alpha Arbutine mal tamponn\u00e9 ne se contente pas de brunir. Il se d\u00e9grade en un danger toxique et non conforme.\n <\/p>\n\n

Sp\u00e9cifications de Qualit\u00e9 des Mati\u00e8res Premi\u00e8res (R\u00e9f\u00e9rence COA)<\/h2>\n

\n En tant que fabricant produisant ces mati\u00e8res premi\u00e8res par tonnes, nous effectuons des tests analytiques exhaustifs. Nous voyons des marques \u00e9chouer \u00e0 plusieurs reprises parce qu'elles ach\u00e8tent des poudres bon march\u00e9 et non purifi\u00e9es. Vous devez exiger des sp\u00e9cifications strictes de votre fournisseur. Voici la r\u00e9f\u00e9rence que nous appliquons :\n <\/p>\n\n

\n \n \n \n \n \n \n \n \n \n \n \n
Param\u00e8tre Analytique<\/th>\n Alpha Arbutine (Haute Puret\u00e9)<\/th>\n Acide Kojique (Qualit\u00e9 Cosm\u00e9tique)<\/th>\n <\/tr>\n <\/thead>\n
Apparence<\/td>\n Poudre cristalline blanche<\/td>\n Poudre cristalline presque blanche<\/td>\n <\/tr>\n
Puret\u00e9 (HPLC)<\/td>\n \u2265 99,5%<\/td>\n \u2265 99,8 %<\/td>\n <\/tr>\n
Rotation optique sp\u00e9cifique<\/td>\n +174,0\u00b0 \u00e0 +186,0\u00b0<\/td>\n Non applicable<\/td>\n <\/tr>\n
M\u00e9taux lourds (Total)<\/td>\n \u2264 10 ppm<\/td>\n \u2264 10 ppm<\/td>\n <\/tr>\n
Limite de Fer (Fe3+)<\/td>\n \u2264 2 ppm<\/td>\n \u2264 1 ppm<\/td>\n <\/tr>\n
Limite d'hydroquinone<\/td>\n \u2264 10 ppm<\/td>\n Non applicable<\/td>\n <\/tr>\n
Perte au s\u00e9chage<\/td>\n \u2264 0,5%<\/td>\n \u2264 0,5%<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n

\n *Portez une attention particuli\u00e8re \u00e0 la Rotation Optique Sp\u00e9cifique de l'Alpha Arbutine. Cela prouve que vous obtenez l'isom\u00e8re \"Alpha\" tr\u00e8s efficace, et non l'isom\u00e8re \"B\u00eata\" moins cher et moins stable. Regardez la limite de fer pour l'Acide Kojique. Si votre Acide Kojique contient du fer \u00e9lev\u00e9, votre formulation se d\u00e9colorera avant m\u00eame d'atteindre la ligne de remplissage.\n <\/p>\n\n

Stabilisation du duo : essai acc\u00e9l\u00e9r\u00e9 de 45 jours (45\u00b0C + UV)<\/h2>\n

\n Nous avons suivi la d\u00e9gradation d'une base aqueuse standard d'Alpha Arbutine \u00e0 2% et d'Acide Kojique \u00e0 1%. Nous avons surveill\u00e9 le changement de couleur, la r\u00e9tention des actifs et, surtout, la g\u00e9n\u00e9ration d'hydroquinone.\n <\/p>\n\n

\n \n \n \n \n \n \n \n \n
Protocole<\/th>\n Syst\u00e8me Tampon \/ Protecteur<\/th>\n D\u00e9rive du pH (Jour 0 \u2794 45)<\/th>\n R\u00e9tention de l'Acide Kojique<\/th>\n Hydroquinone D\u00e9tect\u00e9e<\/th>\n <\/tr>\n <\/thead>\n
Contr\u00f4le<\/td>\n Aucun<\/td>\n 4,8 \u2794 3,6<\/td>\n 3 % (Brun Fonc\u00e9)<\/td>\n 145 ppm (\u00c9chec)<\/td>\n <\/tr>\n
Protocole A<\/td>\n 0,1 % EDTA<\/td>\n 4,8 \u2794 4,1<\/td>\n 68 % (Jaune)<\/td>\n 35 ppm (\u00c9chec)<\/td>\n <\/tr>\n
Protocole B<\/td>\n 0,1 % EDTA + 0,2 % M\u00e9tabisulfite de Sodium<\/td>\n 4,8 \u2794 4,3<\/td>\n 89 % (Jaune Clair)<\/td>\n 12 ppm (Limite)<\/td>\n <\/tr>\n
Protocole Optimis\u00e9<\/td>\n EDTA + M\u00e9tabisulfite + Tampon Acide Citrique\/Citrate de Sodium<\/td>\n 5,2 \u2794 5,1<\/td>\n 97 % (Transparent)<\/td>\n Ind\u00e9tectable (R\u00e9ussite)<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n

\n Les donn\u00e9es brutes r\u00e9v\u00e8lent la r\u00e9alit\u00e9 de la formulation. L'ajout d'un ch\u00e9lateur (EDTA) ne suffit pas. L'ajout d'un antioxydant (m\u00e9tabisulfite de sodium) ne suffit pas. Vous devez fixer le pH.<\/strong> Le protocole optimis\u00e9 emp\u00eache l'Acide Kojique d'acidifier l'eau, ce qui \u00e0 son tour emp\u00eache l'hydrolyse de l'Alpha Arbutine.\n <\/p>\n\n

3 r\u00e8gles absolues de formulation<\/h2>\n
    \n
  1. Verrouillez le pH.<\/strong> Cr\u00e9ez un syst\u00e8me tampon avant d'ajouter vos actifs. Visez un pH strict de 5,0 \u00e0 5,5<\/span>.<\/li>\n
  2. Cagez les m\u00e9taux.<\/strong> Utilisez 0,1 % d'EDTA Disodique dans la phase aqueuse chauff\u00e9e. Vous devez \u00e9liminer toutes les traces de m\u00e9taux avant d'introduire l'Acide Kojique.<\/li>\n
  3. Utilisez un capteur d'oxyg\u00e8ne.<\/strong> Ajoutez du m\u00e9tabisulfite de sodium (0,1% \u2013 0,2%). Il absorbe les dommages oxydatifs afin que votre Acide Kojique n'ait pas \u00e0 le faire. (Remarque : Masquez la l\u00e9g\u00e8re odeur de soufre intelligemment, sinon votre produit \u00e9chouera esth\u00e9tiquement.)<\/em><\/li>\n
  4. Traitement \u00e0 froid uniquement.<\/strong> Les deux ingr\u00e9dients sont tr\u00e8s thermolabiles. Ne les exposez jamais \u00e0 des temp\u00e9ratures sup\u00e9rieures \u00e0 40\u00b0C<\/strong>. Pr\u00e9dissolvez-les dans de l'eau \u00e0 temp\u00e9rature ambiante et ajoutez-les pendant la phase de refroidissement finale.<\/li>\n <\/ol>\n\n

    Le paysage r\u00e9glementaire<\/h2>\n

    \n Le paysage r\u00e9glementaire se resserre au niveau mondial. Le SCCS europ\u00e9en (Comit\u00e9 scientifique pour la s\u00e9curit\u00e9 des consommateurs) a finalis\u00e9 ses marges de s\u00e9curit\u00e9 :\n <\/p>\n

      \n
    • Acide kojique :<\/strong> Strictement plafonn\u00e9 \u00e0 1% pour les produits pour le visage et les mains.<\/li>\n
    • Alpha Arbutine :<\/strong> Autoris\u00e9 jusqu'\u00e0 2% dans les cr\u00e8mes pour le visage.<\/li>\n <\/ul>\n

      \n Vous ne pouvez plus forcer le blanchiment de la peau avec 4% d'Acide Kojique. La loi l'interdit. Vous devez vous fier \u00e0 la synergie pr\u00e9cise et calcul\u00e9e de 2% d'Alpha Arbutine et 1% d'Acide Kojique<\/strong>. Cela signifie que vos syst\u00e8mes de d\u00e9livrance, vos protocoles de tamponnage et la puret\u00e9 de vos mati\u00e8res premi\u00e8res doivent \u00eatre irr\u00e9prochables. Les soins de la peau haute performance commencent par des mati\u00e8res premi\u00e8res sans compromis. Ne laissez pas des poudres bon march\u00e9 et instables ruiner une formule chimiquement brillante.\n <\/p>\n\n

      \n\n
      \n R\u00e9f\u00e9rences et sources de donn\u00e9es publiques consult\u00e9es :<\/strong>\n
        \n
      • SCCS (Comit\u00e9 Scientifique pour la S\u00e9curit\u00e9 des Consommateurs), Avis sur la s\u00e9curit\u00e9 de l'Acide Kojique (SCCS\/1637\/21). Version finale adopt\u00e9e en mars 2022.<\/li>\n
      • SCCS, Avis sur la s\u00e9curit\u00e9 de l'alpha-arbutine (SCCS\/1642\/22). Version finale adopt\u00e9e en mars 2023.<\/li>\n
      • Burnett, C. L., et al. \u00ab Final report of the safety assessment of Kojic acid as used in cosmetics. \u00bb International Journal of Toxicology 29.6 (2010) : 244S-273S.<\/li>\n
      • Smit, N., Vicanova, J., & Pavel, S. \u00ab The hunt for natural skin whitening agents. \u00bb International Journal of Molecular Sciences 10.12 (2009) : 5326-5349.<\/li>\n <\/ul>\n <\/div>\n\n<\/div>","protected":false},"excerpt":{"rendered":"

        Entrez dans n'importe quel laboratoire de fabrication de cosm\u00e9tiques et demandez au chimiste en chef de m\u00e9langer l'Alpha Arbutine avec l'Acide Kojique. Regardez son visage se d\u00e9composer. Les marques adorent \u00e7a\u2026<\/p>","protected":false},"author":8,"featured_media":11051,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[60],"tags":[],"class_list":["post-15388","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-news"],"yoast_head":"\nThe Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols - Shaanxi Huatai Bio-Fine Chemical Co., Ltd.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/glabridinchina.com\/fr\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols\" \/>\n<meta property=\"og:description\" content=\"Walk into any cosmetics manufacturing lab and ask the head chemist to mix Alpha Arbutin with Kojic Acid. Watch their face drop. Brands love this...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/glabridinchina.com\/fr\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/\" \/>\n<meta property=\"og:site_name\" content=\"Shaanxi Huatai Bio-Fine Chemical Co., Ltd.\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-14T09:04:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-17T01:54:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/glabridinchina.com\/wp-content\/uploads\/2025\/12\/kojic-acid-extract.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"850\" \/>\n\t<meta property=\"og:image:height\" content=\"1134\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Huatai\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Huatai\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/\"},\"author\":{\"name\":\"Huatai\",\"@id\":\"https:\/\/glabridinchina.com\/ru\/#\/schema\/person\/1fc9183390cde309170faf98dbabcaab\"},\"headline\":\"The Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols\",\"datePublished\":\"2026-07-14T09:04:01+00:00\",\"dateModified\":\"2026-07-17T01:54:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/\"},\"wordCount\":888,\"publisher\":{\"@id\":\"https:\/\/glabridinchina.com\/ru\/#organization\"},\"image\":{\"@id\":\"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/glabridinchina.com\/wp-content\/uploads\/2025\/12\/kojic-acid-extract.jpg\",\"articleSection\":[\"Product News\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/\",\"url\":\"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/\",\"name\":\"The Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols - Shaanxi Huatai Bio-Fine Chemical Co., Ltd.\",\"isPartOf\":{\"@id\":\"https:\/\/glabridinchina.com\/ru\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/glabridinchina.com\/wp-content\/uploads\/2025\/12\/kojic-acid-extract.jpg\",\"datePublished\":\"2026-07-14T09:04:01+00:00\",\"dateModified\":\"2026-07-17T01:54:58+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#primaryimage\",\"url\":\"https:\/\/glabridinchina.com\/wp-content\/uploads\/2025\/12\/kojic-acid-extract.jpg\",\"contentUrl\":\"https:\/\/glabridinchina.com\/wp-content\/uploads\/2025\/12\/kojic-acid-extract.jpg\",\"width\":850,\"height\":1134,\"caption\":\"kojic acid\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/glabridinchina.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/glabridinchina.com\/ru\/#website\",\"url\":\"https:\/\/glabridinchina.com\/ru\/\",\"name\":\"Shaanxi Huatai Bio-Fine Chemical Co., Ltd.\",\"description\":\"Huatai Bio-Fine Chemicals: ISO-certified manufacturer of high-purity skincare ingredients like Glabridin and Tranexamic Acid. Offering flexible supply with full documentation for brands & OEMs worldwide.\",\"publisher\":{\"@id\":\"https:\/\/glabridinchina.com\/ru\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/glabridinchina.com\/ru\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/glabridinchina.com\/ru\/#organization\",\"name\":\"Shaanxi Huatai Bio-Fine Chemical Co., Ltd.\",\"url\":\"https:\/\/glabridinchina.com\/ru\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/glabridinchina.com\/ru\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/glabridinchina.com\/wp-content\/uploads\/2024\/10\/\u516c\u53f8LOGO.webp\",\"contentUrl\":\"https:\/\/glabridinchina.com\/wp-content\/uploads\/2024\/10\/\u516c\u53f8LOGO.webp\",\"width\":1278,\"height\":783,\"caption\":\"Shaanxi Huatai Bio-Fine Chemical Co., Ltd.\"},\"image\":{\"@id\":\"https:\/\/glabridinchina.com\/ru\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/glabridinchina.com\/ru\/#\/schema\/person\/1fc9183390cde309170faf98dbabcaab\",\"name\":\"Huatai\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"The Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols - Shaanxi Huatai Bio-Fine Chemical Co., Ltd.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/glabridinchina.com\/fr\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/","og_locale":"fr_FR","og_type":"article","og_title":"The Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols","og_description":"Walk into any cosmetics manufacturing lab and ask the head chemist to mix Alpha Arbutin with Kojic Acid. Watch their face drop. Brands love this...","og_url":"https:\/\/glabridinchina.com\/fr\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/","og_site_name":"Shaanxi Huatai Bio-Fine Chemical Co., Ltd.","article_published_time":"2026-07-14T09:04:01+00:00","article_modified_time":"2026-07-17T01:54:58+00:00","og_image":[{"width":850,"height":1134,"url":"https:\/\/glabridinchina.com\/wp-content\/uploads\/2025\/12\/kojic-acid-extract.jpg","type":"image\/jpeg"}],"author":"Huatai","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Huatai","Dur\u00e9e de lecture estim\u00e9e":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#article","isPartOf":{"@id":"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/"},"author":{"name":"Huatai","@id":"https:\/\/glabridinchina.com\/ru\/#\/schema\/person\/1fc9183390cde309170faf98dbabcaab"},"headline":"The Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols","datePublished":"2026-07-14T09:04:01+00:00","dateModified":"2026-07-17T01:54:58+00:00","mainEntityOfPage":{"@id":"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/"},"wordCount":888,"publisher":{"@id":"https:\/\/glabridinchina.com\/ru\/#organization"},"image":{"@id":"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#primaryimage"},"thumbnailUrl":"https:\/\/glabridinchina.com\/wp-content\/uploads\/2025\/12\/kojic-acid-extract.jpg","articleSection":["Product News"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/","url":"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/","name":"The Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols - Shaanxi Huatai Bio-Fine Chemical Co., Ltd.","isPartOf":{"@id":"https:\/\/glabridinchina.com\/ru\/#website"},"primaryImageOfPage":{"@id":"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#primaryimage"},"image":{"@id":"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#primaryimage"},"thumbnailUrl":"https:\/\/glabridinchina.com\/wp-content\/uploads\/2025\/12\/kojic-acid-extract.jpg","datePublished":"2026-07-14T09:04:01+00:00","dateModified":"2026-07-17T01:54:58+00:00","breadcrumb":{"@id":"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#primaryimage","url":"https:\/\/glabridinchina.com\/wp-content\/uploads\/2025\/12\/kojic-acid-extract.jpg","contentUrl":"https:\/\/glabridinchina.com\/wp-content\/uploads\/2025\/12\/kojic-acid-extract.jpg","width":850,"height":1134,"caption":"kojic acid"},{"@type":"BreadcrumbList","@id":"https:\/\/glabridinchina.com\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/glabridinchina.com\/"},{"@type":"ListItem","position":2,"name":"The Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols"}]},{"@type":"WebSite","@id":"https:\/\/glabridinchina.com\/ru\/#website","url":"https:\/\/glabridinchina.com\/ru\/","name":"Shaanxi Huatai Bio-Fine Chemical Co., Ltd.","description":"Huatai Bio-Fine Chemicals: ISO-certified manufacturer of high-purity skincare ingredients like Glabridin and Tranexamic Acid. Offering flexible supply with full documentation for brands & OEMs worldwide.","publisher":{"@id":"https:\/\/glabridinchina.com\/ru\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/glabridinchina.com\/ru\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/glabridinchina.com\/ru\/#organization","name":"Shaanxi Huatai Bio-Fine Chemical Co., Ltd.","url":"https:\/\/glabridinchina.com\/ru\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/glabridinchina.com\/ru\/#\/schema\/logo\/image\/","url":"https:\/\/glabridinchina.com\/wp-content\/uploads\/2024\/10\/\u516c\u53f8LOGO.webp","contentUrl":"https:\/\/glabridinchina.com\/wp-content\/uploads\/2024\/10\/\u516c\u53f8LOGO.webp","width":1278,"height":783,"caption":"Shaanxi Huatai Bio-Fine Chemical Co., Ltd."},"image":{"@id":"https:\/\/glabridinchina.com\/ru\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/glabridinchina.com\/ru\/#\/schema\/person\/1fc9183390cde309170faf98dbabcaab","name":"Huatai"}]}},"_links":{"self":[{"href":"https:\/\/glabridinchina.com\/fr\/wp-json\/wp\/v2\/posts\/15388","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/glabridinchina.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/glabridinchina.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/glabridinchina.com\/fr\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/glabridinchina.com\/fr\/wp-json\/wp\/v2\/comments?post=15388"}],"version-history":[{"count":2,"href":"https:\/\/glabridinchina.com\/fr\/wp-json\/wp\/v2\/posts\/15388\/revisions"}],"predecessor-version":[{"id":15436,"href":"https:\/\/glabridinchina.com\/fr\/wp-json\/wp\/v2\/posts\/15388\/revisions\/15436"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/glabridinchina.com\/fr\/wp-json\/wp\/v2\/media\/11051"}],"wp:attachment":[{"href":"https:\/\/glabridinchina.com\/fr\/wp-json\/wp\/v2\/media?parent=15388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/glabridinchina.com\/fr\/wp-json\/wp\/v2\/categories?post=15388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/glabridinchina.com\/fr\/wp-json\/wp\/v2\/tags?post=15388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}