{"id":12561,"date":"2024-10-24T09:52:43","date_gmt":"2024-10-24T07:52:43","guid":{"rendered":"https:\/\/blog.weareprovital.com\/?p=12561"},"modified":"2024-11-11T14:36:05","modified_gmt":"2024-11-11T12:36:05","slug":"ponts-disulfures-cheveux-sains","status":"publish","type":"post","link":"https:\/\/blog.weareprovital.com\/fr\/ponts-disulfures-cheveux-sains\/","title":{"rendered":"Les ponts disulfures : un atout cl\u00e9 pour des cheveux sains \u00e0 l\u2019\u00e9chelle mol\u00e9culaire"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Prendre soin des <strong>ponts disulfures<\/strong> est fondamental pour la sant\u00e9 des cheveux. Ces \u00e9l\u00e9ments structurants, pr\u00e9sents au niveau mol\u00e9culaire, influencent directement l\u2019int\u00e9grit\u00e9 capillaire, m\u00eame si leur \u00e9tat ne se manifeste souvent qu\u2019\u00e0 travers des signes ext\u00e9rieurs. Les sympt\u00f4mes sont n\u00e9anmoins explicites : des cheveux secs, ternes ou r\u00eaches indiquent souvent une alt\u00e9ration des ponts disulfures, compromettant ainsi leur r\u00f4le essentiel dans la structure du cheveu.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p class=\"wp-block-paragraph\">Aujourd\u2019hui, les consommateurs, mieux inform\u00e9s, recherchent des traitements capables de <strong>restaurer la sant\u00e9 capillaire en profondeur<\/strong>. Pour innover et se d\u00e9marquer, les marques peuvent aller au-del\u00e0 des solutions classiques comme la <a href=\"https:\/\/blog.weareprovital.com\/fr\/acides-amines-keratiniques-pour-reparer-et-renforcer-les-cheveux\/\">k\u00e9ratine<\/a>, en se concentrant sur des aspects plus profonds, tels que la r\u00e9paration et le renforcement des ponts disulfures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n\t\t<div class=\"ic_cta_wrapper\">\n\t\t\t<div class=\"ic_cta_banner\">\n\t\t\t\t<!--HubSpot Call-to-Action Code -->\n\t\t\t\t<span class=\"hs-cta-wrapper\" id='hs-cta-wrapper-c8f32edb-ec57-42c5-b940-974bf1bd9360'>\n\t\t\t\t\t<span class='hs-cta-node hs-cta-c8f32edb-ec57-42c5-b940-974bf1bd9360' id='hs-cta-c8f32edb-ec57-42c5-b940-974bf1bd9360'>\n\t\t\t\t\t\t<!--[if lte IE 8]><div id=\"hs-cta-ie-element\"><\/div><![endif]-->\n\t\t\t\t\t\t<a href=\"https:\/\/hubspot-cta-redirect-eu1-prod.s3.amazonaws.com\/cta\/redirect\/6867183\/c8f32edb-ec57-42c5-b940-974bf1bd9360\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"hs-cta-img\" id=\"hs-cta-img-c8f32edb-ec57-42c5-b940-974bf1bd9360\" style=\"border-width:0px;\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/6867183\/c8f32edb-ec57-42c5-b940-974bf1bd9360.png\"  alt=\"New Call-to-action\" \/>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/span>\n\t\t\t    <script charset=\"utf-8\" src=\"https:\/\/js.hscta.net\/cta\/current.js\"><\/script>\n\t\t\t\t\t<script type=\"text\/javascript\">\n\t\t\t\t\t\thbspt.cta.load(6867183, 'c8f32edb-ec57-42c5-b940-974bf1bd9360', {\"useNewLoader\":\"true\",\"region\":\"na1\"});\n\t\t\t\t\t<\/script>\n\t\t\t\t<\/span>\n\t\t\t\t<!-- end HubSpot Call-to-Action Code -->\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n  <\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Content<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.weareprovital.com\/fr\/ponts-disulfures-cheveux-sains\/#Que_sont_les_ponts_disulfures_dans_les_cheveux\" >Que sont les ponts disulfures dans les cheveux&nbsp;?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.weareprovital.com\/fr\/ponts-disulfures-cheveux-sains\/#Keradeep_lingredient_actif_naturel_pour_une_protection_preventive_des_ponts_disulfures\" >Keradeep : l\u2019ingr\u00e9dient actif naturel pour une protection pr\u00e9ventive des ponts disulfures<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Que_sont_les_ponts_disulfures_dans_les_cheveux\"><\/span>Que sont les ponts disulfures dans les cheveux&nbsp;?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les ponts disulfures jouent un r\u00f4le central dans la structure capillaire <strong>en stabilisant la forme tridimensionnelle des prot\u00e9ines<\/strong>. Chimiquement, ce sont des <strong>liaisons covalentes<\/strong> entre deux <strong>atomes de soufre<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces ponts<strong> maintiennent les cha\u00eenes de prot\u00e9ines li\u00e9es entre elles<\/strong> tout en garantissant leur flexibilit\u00e9, stabilisant ainsi la structure du cheveu et pr\u00e9venant les cassures. Leur protection est donc essentielle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cependant, des traitements chimiques comme les colorations, d\u00e9colorations ou permanentes peuvent gravement endommager ces ponts disulfures. Les agents chimiques peuvent briser ces liaisons en attaquant les prot\u00e9ines. Un ph\u00e9nom\u00e8ne particuli\u00e8rement inqui\u00e9tant est la <strong>carbonylation<\/strong>, o\u00f9 des groupes carbonyles se lient aux r\u00e9sidus de certains acides amin\u00e9s dans les prot\u00e9ines. Ce processus <strong>irr\u00e9versible <\/strong>alt\u00e8re d\u00e9finitivement la structure et la fonction des prot\u00e9ines capillaires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u2019est pourquoi la protection des ponts disulfures doit reposer sur une approche pr\u00e9ventive.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Keradeep_lingredient_actif_naturel_pour_une_protection_preventive_des_ponts_disulfures\"><\/span>Keradeep : l\u2019ingr\u00e9dient actif naturel pour une protection pr\u00e9ventive des ponts disulfures<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Avec un objectif clair de protection pr\u00e9ventive des ponts disulfures, Provital a associ\u00e9 une science capillaire de pointe \u00e0 des technologies innovantes pour cr\u00e9er <strong>Keradeep<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Issu d\u2019un <strong>extrait d\u2019\u00e9corce de pin<\/strong>, cet ingr\u00e9dient actif est riche en polyph\u00e9nols antioxydants, faisant de lui un alli\u00e9 cl\u00e9 contre les dommages irr\u00e9versibles des prot\u00e9ines capillaires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keradeep agit <strong>en emp\u00eachant la formation de groupes carbonyles<\/strong> et l\u2019oxydation des cystines, une intervention essentielle observ\u00e9e au cours d\u2019un protocole d\u2019essais ex vivo ultra-innovant, rendu possible par la collaboration entre Provital et trois entreprises pionni\u00e8res&nbsp;:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Visualisation et quantification des prot\u00e9ines carbonyl\u00e9es avec une sonde fluorescente brevet\u00e9e par Oxi-Proteomics.<\/li>\n\n\n\n<li>Analyse mol\u00e9culaire de la fibre capillaire gr\u00e2ce \u00e0 la spectroscopie infrarouge \u00e0 transform\u00e9e de Fourrier (FTIR), d\u00e9velopp\u00e9e par ALBA Synchrotron.<\/li>\n\n\n\n<li>\u00c9tude de la structure de la k\u00e9ratine via la bir\u00e9fringence (Xpolar\u00ae), d\u00e9velopp\u00e9e par Kamax Innovative System.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ces recherches ont confirm\u00e9 l\u2019efficacit\u00e9 de Keradeep dans la <strong>protection pr\u00e9ventive des ponts disulfures<\/strong>, faisant de lui un ingr\u00e9dient incontournable pour les soins capillaires ax\u00e9s sur la pr\u00e9servation de la structure du cheveu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\n\t\t<div class=\"ic_cta_wrapper\">\n\t\t\t<div class=\"ic_cta_banner\">\n\t\t\t\t<!--HubSpot Call-to-Action Code -->\n\t\t\t\t<span class=\"hs-cta-wrapper\" id='hs-cta-wrapper-46a598a3-4810-403b-9edb-348112186d83'>\n\t\t\t\t\t<span class='hs-cta-node hs-cta-46a598a3-4810-403b-9edb-348112186d83' id='hs-cta-46a598a3-4810-403b-9edb-348112186d83'>\n\t\t\t\t\t\t<!--[if lte IE 8]><div id=\"hs-cta-ie-element\"><\/div><![endif]-->\n\t\t\t\t\t\t<a href=\"https:\/\/hubspot-cta-redirect-eu1-prod.s3.amazonaws.com\/cta\/redirect\/6867183\/46a598a3-4810-403b-9edb-348112186d83\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"hs-cta-img\" id=\"hs-cta-img-46a598a3-4810-403b-9edb-348112186d83\" style=\"border-width:0px;\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/6867183\/46a598a3-4810-403b-9edb-348112186d83.png\"  alt=\"New Call-to-action\" \/>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/span>\n\t\t\t    <script charset=\"utf-8\" src=\"https:\/\/js.hscta.net\/cta\/current.js\"><\/script>\n\t\t\t\t\t<script type=\"text\/javascript\">\n\t\t\t\t\t\thbspt.cta.load(6867183, '46a598a3-4810-403b-9edb-348112186d83', {\"useNewLoader\":\"true\",\"region\":\"na1\"});\n\t\t\t\t\t<\/script>\n\t\t\t\t<\/span>\n\t\t\t\t<!-- end HubSpot Call-to-Action Code -->\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Prendre soin des ponts disulfures est fondamental pour la sant\u00e9 des cheveux. Ces \u00e9l\u00e9ments structurants, pr\u00e9sents au niveau mol\u00e9culaire, influencent [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":12562,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"footnotes":""},"categories":[60],"tags":[],"class_list":["post-12561","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agir-pour-la-planete-et-les-hommes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les ponts disulfures : un atout cl\u00e9 pour des cheveux sains \u00e0 l\u2019\u00e9chelle mol\u00e9culaire<\/title>\n<meta name=\"description\" content=\"Que sont les ponts disulfure dans les cheveux ? Cl\u00e9s mol\u00e9culaires du repliement oxydatif. 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