{"id":1875,"date":"2025-12-25T19:04:55","date_gmt":"2025-12-25T18:04:55","guid":{"rendered":"https:\/\/www.laboratoireslelegard.com\/?post_type=product&#038;p=1875"},"modified":"2025-12-25T19:09:56","modified_gmt":"2025-12-25T18:09:56","slug":"challenge-test","status":"publish","type":"product","link":"https:\/\/www.laboratoireslelegard.com\/fr_ch\/product-2\/challenge-test\/","title":{"rendered":"Challenge Test"},"content":{"rendered":"<div data-elementor-type=\"product-post\" data-elementor-id=\"1875\" class=\"elementor elementor-1875\" data-elementor-post-type=\"product\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-06bf5d0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"06bf5d0\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6f2a6e1\" data-id=\"6f2a6e1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7d75f8c elementor-widget elementor-widget-text-editor\" data-id=\"7d75f8c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"w-full\"><div class=\"progressive-markdown-content\"><div class=\"w-full\"><div class=\"progressive-markdown-content\"><div class=\"content-visibility-auto\"><p>Le <strong>challenge test<\/strong> est la m\u00e9thode de r\u00e9f\u00e9rence pour v\u00e9rifier l\u2019efficacit\u00e9 r\u00e9elle du syst\u00e8me conservateur d\u2019un produit cosm\u00e9tique. Cette \u00e9preuve consiste \u00e0 inoculer volontairement plusieurs types de micro\u2011organismes \u2013 bact\u00e9ries, levures et moisissures \u2013 directement dans la formule. Le produit est ensuite suivi pendant plusieurs semaines afin d\u2019\u00e9valuer la capacit\u00e9 du conservateur \u00e0 \u00e9liminer ces micro\u2011organismes ou \u00e0 emp\u00eacher leur prolif\u00e9ration. La proc\u00e9dure est normalis\u00e9e et reconnue tant par la r\u00e9glementation europ\u00e9enne (R\u00e8glement\u202fCE\u202f1223\/2009) que par l\u2019Ordonnance Suisse sur les Cosm\u00e9tiques (OCos\/OSAV), ce qui en fait un test incontournable pour la mise sur le march\u00e9 en Suisse et dans l\u2019Union europ\u00e9enne.<\/p><\/div><div class=\"content-visibility-auto\"><p>Le challenge test reproduit les conditions d\u2019utilisation r\u00e9elles. \u00c0 chaque ouverture du flacon ou du pot, de petites quantit\u00e9s de micro\u2011organismes provenant des doigts, de l\u2019air ambiant ou de l\u2019environnement d\u2019utilisation peuvent p\u00e9n\u00e9trer dans la formule. En simulant ces contaminations r\u00e9p\u00e9t\u00e9es, le test permet de v\u00e9rifier que le syst\u00e8me conservateur prot\u00e8ge effectivement le produit contre toute croissance microbienne.<\/p><\/div><div class=\"content-visibility-auto\"><p>Durant la p\u00e9riode d\u2019observation, les \u00e9chantillons sont pr\u00e9lev\u00e9s \u00e0 intervalles r\u00e9guliers et analys\u00e9s microbiologiquement. Si aucune multiplication n\u2019est d\u00e9tect\u00e9e, le conservateur est consid\u00e9r\u00e9 comme performant sur la dur\u00e9e de vie pr\u00e9vue du produit. \u00c0 l\u2019inverse, la pr\u00e9sence de colonies indique une insuffisance du syst\u00e8me conservateur et n\u00e9cessite une reformulation ou un ajustement de la concentration conservatrice.<\/p><\/div><div class=\"content-visibility-auto\"><p>En confirmant que les micro\u2011organismes ne peuvent pas se d\u00e9velopper tout au long de la dur\u00e9e de conservation, le challenge test garantit que le produit restera sain, stable et s\u00fbr m\u00eame apr\u00e8s plusieurs semaines ou mois d\u2019utilisation. Cette preuve de stabilit\u00e9 microbiologique constitue un \u00e9l\u00e9ment essentiel du <strong>dossier de s\u00e9curit\u00e9<\/strong> exig\u00e9 pour la constitution du <strong>DIP\/PIF<\/strong>. Elle est donc indispensable pour toute commercialisation en Suisse et en Europe, assurant la conformit\u00e9 aux exigences r\u00e9glementaires et la confiance des consommateurs.<\/p><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Le challenge test est la m\u00e9thode de r\u00e9f\u00e9rence pour v\u00e9rifier l\u2019efficacit\u00e9 r\u00e9elle du syst\u00e8me conservateur d\u2019un produit cosm\u00e9tique. Cette \u00e9preuve consiste \u00e0 inoculer volontairement plusieurs types de micro\u2011organismes \u2013 bact\u00e9ries, levures et moisissures \u2013 directement dans la formule. Le produit est ensuite suivi pendant plusieurs semaines afin d\u2019\u00e9valuer la capacit\u00e9 du conservateur \u00e0 \u00e9liminer ces [&hellip;]<\/p>","protected":false},"featured_media":1732,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[151],"product_tag":[113,116,112,114,115,117],"class_list":{"0":"post-1875","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-analyse","7":"product_tag-activite","8":"product_tag-activity","9":"product_tag-analyse","10":"product_tag-eau","11":"product_tag-micro-organismes","12":"product_tag-water","14":"first","15":"instock","16":"shipping-taxable","17":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Challenge Test<\/title>\n<meta name=\"description\" content=\"Challenge test : v\u00e9rifie l\u2019efficacit\u00e9 du conservateur, assure s\u00e9curit\u00e9 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