{"id":5642,"date":"2026-06-09T11:52:36","date_gmt":"2026-06-09T10:52:36","guid":{"rendered":"https:\/\/saeschemicals.stageweb.builders\/2026\/06\/09\/why-reliable-spf-testing-is-a-real-challenge\/"},"modified":"2026-09-03T13:48:36","modified_gmt":"2026-09-03T12:48:36","slug":"pourquoi-des-tests-spf-fiables-representent-un-veritable-defi","status":"publish","type":"post","link":"https:\/\/saeschemicals.stageweb.builders\/fr\/2026\/06\/09\/pourquoi-des-tests-spf-fiables-representent-un-veritable-defi\/","title":{"rendered":"Pourquoi des tests SPF fiables repr\u00e9sentent un v\u00e9ritable d\u00e9fi"},"content":{"rendered":"\n<p>Pour les formulateurs et les \u00e9quipes R&amp;D, d\u00e9velopper des <strong>formulations solaires<\/strong> haute performance ne consiste pas seulement \u00e0 s\u00e9lectionner des ingr\u00e9dients actifs: il s\u2019agit de d\u00e9montrer une <strong>protection efficace et mesurable<\/strong> selon les <strong>standards internationaux<\/strong> les plus stricts, tout en \u00e9quilibrant profil sensoriel, charge filtrante et durabilit\u00e9.<\/p>\n\n\n\n<p>Traditionnellement, les m\u00e9thodes les plus reconnues pour mesurer le SPF et l\u2019UVA-PF reposent sur des protocoles<strong>in vivo<\/strong>, tels que ISO 24444:2019 (SPF) et ISO 24443:2021 (UVA-PF).<\/p>\n\n\n\n<p>Ces m\u00e9thodes impliquent des volontaires humains et, dans le cas du SPF, n\u00e9cessitent une exposition contr\u00f4l\u00e9e aux UV afin d\u2019induire un \u00e9ryth\u00e8me (coup de soleil) pour \u00e9valuer le niveau de protection.<\/p>\n\n\n\n<p>Bien qu\u2019elles soient largement utilis\u00e9es, ces m\u00e9thodes soul\u00e8vent des questions li\u00e9es \u00e0 l\u2019\u00e9thique, au co\u00fbt et \u00e0 la reproductibilit\u00e9, notamment dans un contexte o\u00f9 la demande pour une innovation<strong>SPF plus durable<\/strong> et une approche clean beauty ne cesse de cro\u00eetre.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Comment les nouvelles normes ISO changent les r\u00e8gles du jeu<\/h2>\n\n\n\n<p>Ces derni\u00e8res ann\u00e9es, deux nouvelles normes ont \u00e9t\u00e9 approuv\u00e9es: ISO 23698 et ISO 23675.<br>Toutes deux visent \u00e0 proposer une alternative aux tests <strong>in vivo<\/strong>, mais selon des approches diff\u00e9rentes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ISO 23698 implique encore des volontaires humains, mais adopte une approche plus \u00e9thique: au lieu d\u2019induire un \u00e9ryth\u00e8me, elle mesure directement l\u2019<strong>absorption UV<\/strong> sur la peau trait\u00e9e.<\/li>\n\n\n\n<li><strong>ISO 23675<\/strong>, la norme choisie par SAES Chemicals, repose sur une validation <strong>SPF enti\u00e8rement in vitro<\/strong>: le test est r\u00e9alis\u00e9 exclusivement sur plaques PMMA, sans recours \u00e0 des volontaires humains \u00e0 aucune \u00e9tape.<\/li>\n<\/ul>\n\n\n\n<p>Bien que techniquement plus complexe, ISO 23675 repr\u00e9sente aujourd\u2019hui la m\u00e9thode de <strong>test SPF la plus \u00e9thique<\/strong>, offrant une excellente r\u00e9p\u00e9tabilit\u00e9 pour valider les <strong>innovations suncare de nouvelle g\u00e9n\u00e9ration<\/strong>.<br>Elle am\u00e9liore la coh\u00e9rence et la reproductibilit\u00e9 des r\u00e9sultats, soutenant le d\u00e9veloppement de solutions <strong>SPF hybrides<\/strong> r\u00e9pondant aux exigences du march\u00e9 mondial. <\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Ce qui diff\u00e9rencie ZeoSAES\u00ae UV Booster<\/h2>\n\n\n\n<p><strong>ZeoSAES\u00ae UV Booster<\/strong> est un <strong>SPF booster inorganique<\/strong> bas\u00e9 sur des <strong>z\u00e9olites ing\u00e9nier\u00e9es<\/strong>.<\/p>\n\n\n\n<p>Il permet des am\u00e9liorations mesurables de la <strong>protection UV<\/strong> (<strong>+75 % SPF, +38 % UVA-PF avec seulement 3 % de dosage<\/strong>) et est test\u00e9 selon le protocole <strong>ISO 23675 in vitro<\/strong>, en compl\u00e9ment des standards classiques <strong>in vivo<\/strong>.<\/p>\n\n\n\n<p>Cela signifie:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les formulateurs obtiennent des <strong>all\u00e9gations SPF fiables et mesurables<\/strong>, valid\u00e9es selon plusieurs m\u00e9thodes reconnues.<\/li>\n\n\n\n<li>Les marques peuvent mettre en avant des <strong>tests SPF \u00e9thiques<\/strong>, en accord avec les standards actuels de l\u2019<strong>innovation solaire<\/strong> et de la <strong>clean beauty<\/strong>.<\/li>\n\n\n\n<li>La formule finale de <strong>sunscreen non nano<\/strong> est davantage pr\u00eate pour les march\u00e9s internationaux gr\u00e2ce \u00e0 des particules <strong>non nano (&lt;10 \u03bcm)<\/strong> et une conformit\u00e9 r\u00e9glementaire mondiale (<strong>UE, \u00c9tats-Unis, Cor\u00e9e, Br\u00e9sil, Chine<\/strong>).<\/li>\n<\/ul>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/saeschemicals.stageweb.builders\/fr\/prodotto\/zeosaes-uv-booster\/\">D\u00e9couvrez ZeoSAES\u00ae UV Booster<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi cela est important pour votre formulation<\/h2>\n\n\n\n<p>Avec <strong>ZeoSAES\u00ae UV Booster<\/strong>, il ne s\u2019agit pas seulement de donn\u00e9es, mais aussi de <strong>flexibilit\u00e9 et de collaboration<\/strong>.<br>Notre laboratoire peut r\u00e9aliser des tests d\u00e9di\u00e9s directement sur votre propre base formulatoire afin d\u2019optimiser les <strong>performances SPF<\/strong> tout en r\u00e9duisant la <strong>charge filtrante, l\u2019effet gras et l\u2019instabilit\u00e9<\/strong> de la formule.<\/p>\n\n\n\n<p>Que vous d\u00e9veloppiez un <strong>\u00e9cran solaire quotidien<\/strong>, une <strong>base SPF hybride<\/strong>, des produits <strong>baby care<\/strong> ou des protections pour <strong>peaux sensibles<\/strong>, le booster favorise des <strong>textures l\u00e9g\u00e8res<\/strong> et un <strong>fini sec et satin\u00e9<\/strong>, conformes aux attentes des formulateurs et des consommateurs.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Conformit\u00e9 globale et clean label<\/h2>\n\n\n\n<p><strong>SPF \u00e9lev\u00e9, moins de filtres, meilleure texture<\/strong> \u2014 avec un support r\u00e9glementaire complet pour les march\u00e9s mondiaux, y compris la Chine.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ISO 24444<\/strong> (SPF in vivo)<\/li>\n\n\n\n<li><strong>ISO 24443<\/strong> (UVA-PF in vivo)<\/li>\n\n\n\n<li><strong>ISO 23675<\/strong> (validation SPF in vitro sur PMMA, sans volontaires humains)<\/li>\n<\/ul>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Pr\u00eat \u00e0 tester votre protection solaire de nouvelle g\u00e9n\u00e9ration?<\/h2>\n\n\n\n<p>Demandez une <strong>documentation technique<\/strong>, des <strong>rapports de test<\/strong> ou \u00e9changez avec notre \u00e9quipe sur votre prochain projet.<br>\u00c9crivez-nous: <a href=\"mailto:chemicals@saes-group.com\">chemicals@saes-group.com<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pour les formulateurs et les \u00e9quipes R&amp;D, d\u00e9velopper des formulations solaires haute performance ne consiste pas seulement \u00e0 s\u00e9lectionner des ingr\u00e9dients actifs: il s\u2019agit de d\u00e9montrer une protection efficace et mesurable selon les standards internationaux les plus stricts, tout en \u00e9quilibrant profil sensoriel, charge filtrante et durabilit\u00e9. Traditionnellement, les m\u00e9thodes les plus reconnues pour mesurer [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3153,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[178],"tags":[],"class_list":["post-5642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-journal"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pourquoi des tests SPF fiables repr\u00e9sentent un v\u00e9ritable d\u00e9fi - Saes Chemicals<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment le test SPF in vitro ISO 23675 soutient des formulations solaires \u00e9thiques, fiables et reproductibles avec ZeoSAES\u00ae UV Booster.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pourquoi des tests SPF fiables repr\u00e9sentent un v\u00e9ritable d\u00e9fi - 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