{"id":3278,"date":"2024-08-02T10:16:37","date_gmt":"2024-08-02T07:16:37","guid":{"rendered":"https:\/\/bilim.gen.tr\/cosmetic-personal-care-product-testing\/stabilite-test\/"},"modified":"2026-08-13T10:52:10","modified_gmt":"2026-08-13T07:52:10","slug":"cosmetic-stability-testing","status":"publish","type":"page","link":"https:\/\/bilim.gen.tr\/en\/cosmetic-personal-care-product-testing\/cosmetic-stability-testing\/","title":{"rendered":"Cosmetic Stability Testing"},"content":{"rendered":"<p>The purpose of <b>Cosmetic Stability Testing<\/b> is to demonstrate that cosmetic products maintain their <b>physical, chemical, and microbiological quality<\/b>, as well as their intended functionality, throughout their declared shelf life when stored under appropriate conditions.<\/p>\n<p>During stability studies, products are evaluated at predetermined time intervals for <b>color, odor, appearance, pH, weight change, viscosity, microbiological quality<\/b>, and, where applicable, <b>antimicrobial preservative efficacy<\/b> and <b>packaging performance<\/b> in accordance with internationally recognized test methods, including the <b>European Pharmacopoeia<\/b>. In addition to product performance, packaging integrity\u2014such as <b>breakage, cracking, and leak resistance<\/b>\u2014is also assessed, as packaging plays a critical role in maintaining product quality.<\/p>\n<p>Stability studies may be performed under <b>real-time<\/b> or <b>accelerated storage conditions<\/b>. Accelerated stability testing is typically conducted in controlled climate chambers at temperatures of <b>40\u00b0C, 45\u00b0C, and 55\u00b0C<\/b>, allowing manufacturers to evaluate long-term product performance within a shorter testing period.<\/p>\n<p><b>Stability Testing Parameters<\/b><\/p>\n<ul>\n<li>Aerobic Mesophilic Bacterial Count<\/li>\n<li>Yeast and Mold Count<\/li>\n<li>Detection of <i>Candida albicans<\/i><\/li>\n<li>Detection of <i>Escherichia coli<\/i><\/li>\n<li>Detection of <i>Pseudomonas aeruginosa<\/i><\/li>\n<li>Detection of <i>Staphylococcus aureus<\/i><\/li>\n<li>Packaging Evaluation<\/li>\n<li>Weight Change Assessment<\/li>\n<li>Color, Odor, and Appearance Evaluation<\/li>\n<li>pH Determination<\/li>\n<li>Density Determination<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The purpose of Cosmetic Stability Testing is to demonstrate that cosmetic products maintain their physical, chemical, and microbiological quality, as well as their intended functionality, throughout their declared shelf life when stored under appropriate conditions. During stability studies, products are evaluated at predetermined time intervals for color, odor, appearance, pH, weight change, viscosity, microbiological quality, [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":3039,"parent":3258,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-hizmetler-page.php","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-3278","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cosmetic Stability Testing - Bilim Laboratuvarlar\u0131<\/title>\n<meta name=\"description\" content=\"Kozmetik \u00fcr\u00fcnlerde stabilite testi, raf \u00f6mr\u00fc boyunca fiziksel, kimyasal ve mikrobiyolojik \u00f6zelliklerin korunup korunmad\u0131\u011f\u0131n\u0131 do\u011frular.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bilim.gen.tr\/en\/cosmetic-personal-care-product-testing\/cosmetic-stability-testing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cosmetic Stability Testing - 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