{"id":57389,"date":"2025-11-16T08:08:19","date_gmt":"2025-11-16T07:08:19","guid":{"rendered":"https:\/\/drromanovaleria.ch\/?p=57389"},"modified":"2026-01-23T18:28:33","modified_gmt":"2026-01-23T17:28:33","slug":"ruolo-collagene","status":"publish","type":"post","link":"https:\/\/drromanovaleria.ch\/it\/blog\/ruolo-collagene\/","title":{"rendered":"A cosa serve il collagene ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"57389\" class=\"elementor elementor-57389\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b3d1e3 e-flex e-con-boxed e-con e-parent\" data-id=\"6b3d1e3\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-b2d3a7f e-con-full e-flex e-con e-child\" data-id=\"b2d3a7f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-515e5b1 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"515e5b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">\u00c0 QUOI SERT LE COLLAG\u00c8NE ?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-96bcb8e elementor-align-center elementor-widget elementor-widget-breadcrumbs\" data-id=\"96bcb8e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p id=\"breadcrumbs\"><span><span><a href=\"https:\/\/drromanovaleria.ch\/\">Accueil<\/a><\/span><\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f2747c5 e-flex e-con-boxed e-con e-parent\" data-id=\"f2747c5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-eaf98ea e-flex e-con-boxed e-con e-child\" data-id=\"eaf98ea\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-28b72a6 e-con-full e-flex e-con e-child\" data-id=\"28b72a6\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-14de07a elementor-widget elementor-widget-text-editor\" data-id=\"14de07a\" data-element_type=\"widget\" data-e-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<h2>Qu\u2019est-ce que le collag\u00e8ne ?<\/h2><p>Le collag\u00e8ne est une prot\u00e9ine fibreuse synth\u00e9tis\u00e9e par les fibroblastes. Il constitue l\u2019\u00e9l\u00e9ment principal de la matrice extracellulaire des tissus conjonctifs. On le retrouve dans la peau, les os, les tendons, les ligaments, les cartilages et les vaisseaux sanguins.<br \/>Il existe plusieurs types de collag\u00e8ne, chacun ayant une fonction sp\u00e9cifique. Dans la peau, le collag\u00e8ne de type I est majoritaire. Il conf\u00e8re au derme sa r\u00e9sistance m\u00e9canique et sa capacit\u00e9 \u00e0 maintenir les tissus en place. Le collag\u00e8ne agit comme une v\u00e9ritable armature, assurant la solidit\u00e9 et la coh\u00e9sion des structures cutan\u00e9es.<br \/>Sa synth\u00e8se est un processus complexe, d\u00e9pendant de nombreux facteurs biologiques, hormonaux et environnementaux.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-74b75a9 e-flex e-con-boxed e-con e-child\" data-id=\"74b75a9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-74f7e82 elementor-widget elementor-widget-image\" data-id=\"74f7e82\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/08\/seance-acide-hyaluronique-768x512.webp\" class=\"attachment-medium_large size-medium_large wp-image-15909\" alt=\"photo d\u00e9roulement s\u00e9ance acide hyaluronique \u00e0 Gen\u00e8ve\" srcset=\"https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/08\/seance-acide-hyaluronique-768x512.webp 768w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/08\/seance-acide-hyaluronique-300x200.webp 300w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/08\/seance-acide-hyaluronique-1024x683.webp 1024w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/08\/seance-acide-hyaluronique-1536x1024.webp 1536w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/08\/seance-acide-hyaluronique-2048x1365.webp 2048w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/08\/seance-acide-hyaluronique-18x12.webp 18w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-543302a elementor-align-center elementor-widget elementor-widget-button\" data-id=\"543302a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/drromanovaleria.ch\/contactez-le-dr-romano\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Prendre rendez-vous<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8d6b79e e-flex e-con-boxed e-con e-parent\" data-id=\"8d6b79e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7dcf2fb elementor-toc--content-ellipsis elementor-toc--minimized-on-desktop elementor-widget elementor-widget-table-of-contents\" data-id=\"7dcf2fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;minimized_on&quot;:&quot;desktop&quot;,&quot;no_headings_message&quot;:&quot;Aucun titre n\\u2019a \\u00e9t\\u00e9 trouv\\u00e9 sur cette page.&quot;,&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h2 class=\"elementor-toc__header-title\">\n\t\t\t\tSommaire\t\t\t<\/h2>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__7dcf2fb\" aria-expanded=\"true\" aria-label=\"Ouvrir la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__7dcf2fb\" aria-expanded=\"true\" aria-label=\"Fermer la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__7dcf2fb\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b65ecc4 e-flex e-con-boxed e-con e-parent\" data-id=\"b65ecc4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7dc3fcd elementor-widget elementor-widget-heading\" data-id=\"7dc3fcd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comment est produit le collag\u00e8ne ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e63b105 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"e63b105\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef0454e elementor-widget elementor-widget-text-editor\" data-id=\"ef0454e\" data-element_type=\"widget\" data-e-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<p>Le collag\u00e8ne est produit par des cellules sp\u00e9cialis\u00e9es, principalement les fibroblastes, \u00e0 partir d\u2019acides amin\u00e9s issus de l\u2019alimentation. Sa synth\u00e8se est un processus complexe, qui n\u00e9cessite notamment la pr\u00e9sence de vitamine C, de certains oligo-\u00e9l\u00e9ments et d\u2019un environnement cellulaire favorable. Avec l\u2019\u00e2ge, l\u2019activit\u00e9 des fibroblastes diminue, et la production de collag\u00e8ne devient moins efficace. Parall\u00e8lement, des enzymes sp\u00e9cifiques acc\u00e9l\u00e8rent sa d\u00e9gradation, en particulier sous l\u2019effet des rayonnements ultraviolets et du stress oxydatif. La production de collag\u00e8ne r\u00e9sulte donc d\u2019un \u00e9quilibre fragile entre synth\u00e8se et d\u00e9gradation.<\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f9bf8bc e-flex e-con-boxed e-con e-parent\" data-id=\"f9bf8bc\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-da26c6d elementor-widget elementor-widget-heading\" data-id=\"da26c6d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Le r\u00f4le fondamental du collag\u00e8ne dans la peau <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b88903 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3b88903\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae790e9 elementor-widget elementor-widget-text-editor\" data-id=\"ae790e9\" data-element_type=\"widget\" data-e-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<p>Dans la peau, le collag\u00e8ne est responsable de la fermet\u00e9, de la tonicit\u00e9 et de la r\u00e9sistance du derme. Il forme un r\u00e9seau dense de fibres organis\u00e9es, intimement li\u00e9 \u00e0 l\u2019\u00e9lastine et aux glycosaminoglycanes.<br \/>Ce r\u00e9seau permet \u00e0 la peau de r\u00e9sister aux contraintes m\u00e9caniques, de conserver sa forme et de limiter l\u2019affaissement des tissus. Lorsque le collag\u00e8ne est abondant et de bonne qualit\u00e9, la peau appara\u00eet ferme, lisse et bien soutenue.<br \/>\u00c0 l\u2019inverse, une diminution du collag\u00e8ne entra\u00eene une perte de structure, un rel\u00e2chement cutan\u00e9 progressif et l\u2019apparition de <a href=\"https:\/\/drromanovaleria.ch\/besoins\/rides\/\">rides<\/a> plus profondes. Contrairement \u00e0 certaines id\u00e9es re\u00e7ues, ces rides ne sont pas uniquement li\u00e9es \u00e0 la d\u00e9shydratation, mais surtout \u00e0 une alt\u00e9ration de la charpente dermique.<\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-07f4389 e-flex e-con-boxed e-con e-parent\" data-id=\"07f4389\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4dd3ef5 elementor-widget elementor-widget-heading\" data-id=\"4dd3ef5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quel est le r\u00f4le du collag\u00e8ne ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9844be elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"b9844be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a56a99 elementor-widget elementor-widget-text-editor\" data-id=\"3a56a99\" data-element_type=\"widget\" data-e-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<p>Le collag\u00e8ne est une prot\u00e9ine structurale essentielle qui assure la solidit\u00e9, la r\u00e9sistance et la coh\u00e9sion des tissus. Il constitue l\u2019ossature de la peau, mais aussi des os, des tendons, des ligaments et des cartilages. Il existe plusieurs types de collag\u00e8ne, dont les plus importants sont les types I, II et III. Le collag\u00e8ne de type I est le plus abondant dans l\u2019organisme et pr\u00e9domine dans la peau, les os et les tendons ; il est responsable de la fermet\u00e9 et de la r\u00e9sistance m\u00e9canique des tissus. Le collag\u00e8ne de type II est principalement pr\u00e9sent dans les cartilages, o\u00f9 il joue un r\u00f4le fondamental dans la souplesse et l\u2019amortissement des contraintes articulaires. Le collag\u00e8ne de type III est souvent associ\u00e9 au collag\u00e8ne de type I ; il est particuli\u00e8rement pr\u00e9sent dans la peau jeune, les vaisseaux sanguins et les tissus en r\u00e9g\u00e9n\u00e9ration, il contribue \u00e0 l\u2019\u00e9lasticit\u00e9 et \u00e0 la souplesse tissulaire. L\u2019\u00e9quilibre entre ces diff\u00e9rents types de collag\u00e8ne conditionne la qualit\u00e9 et la fonctionnalit\u00e9 des tissus.<\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8e9c0fe e-flex e-con-boxed e-con e-parent\" data-id=\"8e9c0fe\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9d4d6aa elementor-widget elementor-widget-heading\" data-id=\"9d4d6aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quels sont les effets du collag\u00e8ne sur le visage ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7098b8c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7098b8c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23479f9 elementor-widget elementor-widget-text-editor\" data-id=\"23479f9\" data-element_type=\"widget\" data-e-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<p>Sur le visage, le collag\u00e8ne joue un r\u00f4le central dans le maintien de la fermet\u00e9, de la tonicit\u00e9 et de la structure cutan\u00e9e. Lorsque le r\u00e9seau de collag\u00e8ne est dense et bien organis\u00e9, la peau est ferme, les traits restent harmonieux et la surface cutan\u00e9e est r\u00e9guli\u00e8re.<br \/>Avec le temps, la diminution de la quantit\u00e9 de collag\u00e8ne entra\u00eene un rel\u00e2chement progressif des tissus, un affaissement des volumes et l\u2019apparition de rides plus profondes. Le collag\u00e8ne est donc un \u00e9l\u00e9ment cl\u00e9 de l\u2019architecture du visage.<\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b0e7e2b e-flex e-con-boxed e-con e-parent\" data-id=\"b0e7e2b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-79619a0 elementor-widget elementor-widget-heading\" data-id=\"79619a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\nQuels sont les effets du collag\u00e8ne sur le vieillissement ?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-55c5793 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"55c5793\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d78459f elementor-widget elementor-widget-text-editor\" data-id=\"d78459f\" data-element_type=\"widget\" data-e-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<p>Le vieillissement cutan\u00e9 est \u00e9troitement li\u00e9 \u00e0 la d\u00e9gradation progressive du collag\u00e8ne. D\u00e8s la trentaine, la synth\u00e8se de collag\u00e8ne diminue, tandis que sa destruction augmente sous l\u2019effet des rayonnements ultraviolets, du stress oxydatif et des facteurs hormonaux. Cette perte de collag\u00e8ne se traduit par une peau plus fine, moins ferme et moins r\u00e9sistante, ainsi que par l\u2019apparition de rides et de rel\u00e2chement cutan\u00e9. Le vieillissement n\u2019est donc pas uniquement une question de rides superficielles, mais avant tout une alt\u00e9ration de la structure dermique, dont le collag\u00e8ne constitue l\u2019\u00e9l\u00e9ment central.<\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8d778ec e-flex e-con-boxed e-con e-parent\" data-id=\"8d778ec\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c8f18f elementor-widget elementor-widget-heading\" data-id=\"2c8f18f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\nQuelles sont les vertus du collag\u00e8ne sur l\u2019organisme ?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0623e54 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"0623e54\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5282f6f elementor-widget elementor-widget-text-editor\" data-id=\"5282f6f\" data-element_type=\"widget\" data-e-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<p>Le collag\u00e8ne ne joue pas un r\u00f4le uniquement esth\u00e9tique. Il est indispensable au bon fonctionnement de nombreux syst\u00e8mes de l\u2019organisme. Il assure la solidit\u00e9 des os, la r\u00e9sistance des tendons et des ligaments, la souplesse des cartilages et l\u2019int\u00e9grit\u00e9 des vaisseaux sanguins. Il participe \u00e9galement aux processus de cicatrisation et de r\u00e9paration tissulaire. Une diminution du taux de collag\u00e8ne peut ainsi avoir des r\u00e9percussions sur la mobilit\u00e9 articulaire, la r\u00e9sistance m\u00e9canique des tissus et la capacit\u00e9 de r\u00e9g\u00e9n\u00e9ration de l\u2019organisme, ce qui explique son importance pour la sant\u00e9.<\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7617c2a e-flex e-con-boxed e-con e-parent\" data-id=\"7617c2a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f7ad3be elementor-widget elementor-widget-heading\" data-id=\"f7ad3be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Peut-on restaurer le collag\u00e8ne perdu ?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fdb2b3 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"1fdb2b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05e775d elementor-widget elementor-widget-text-editor\" data-id=\"05e775d\" data-element_type=\"widget\" data-e-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<p>Lorsque les fibres dermiques se sont alt\u00e9r\u00e9es, leur r\u00e9g\u00e9n\u00e9ration compl\u00e8te est limit\u00e9e. Les prises en charge actuelles ont principalement pour objectif de freiner la perte du collag\u00e8ne existant, de stimuler sa synth\u00e8se naturelle et d\u2019am\u00e9liorer l\u2019aspect et la qualit\u00e9 de la peau. Il existe de nombreux <a href=\"https:\/\/drromanovaleria.ch\/solutions\/injections\/inducteurs-collagene\/\">inducteurs de collag\u00e8ne<\/a>, leur emploi est decid\u00e9 lors d\u2019une consultation personalis\u00e9e.<br \/>Les effets obtenus s\u2019inscrivent dans la dur\u00e9e et dependent de plusieurs param\u00e8tres, tels que l\u2019\u00e2ge, la condition cutan\u00e9e de d\u00e9part et la constance dans l\u2019application des soins ou des traitements.<\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-843623f e-flex e-con-boxed e-con e-parent\" data-id=\"843623f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0022bff elementor-widget elementor-widget-heading\" data-id=\"0022bff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comment utiliser le collag\u00e8ne ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a47837 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3a47837\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-046d807 elementor-widget elementor-widget-text-editor\" data-id=\"046d807\" data-element_type=\"widget\" data-e-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<p>Le collag\u00e8ne peut \u00eatre utilis\u00e9 de diff\u00e9rentes mani\u00e8res, selon l\u2019objectif recherch\u00e9.<br \/>Sur le plan nutritionnel, une alimentation \u00e9quilibr\u00e9e, apportant des prot\u00e9ines de haute qualit\u00e9 et associ\u00e9e \u00e0 un apport ad\u00e9quat en vitamine C, favorise la synth\u00e8se endog\u00e8ne de collag\u00e8ne par l\u2019organisme. Les compl\u00e9ments alimentaires \u00e0 base de collag\u00e8ne peuvent constituer un appui compl\u00e9mentaire, \u00e0 condition de s\u2019inscrire dans une hygi\u00e8ne de vie globale et une alimentation diversifi\u00e9e. <br \/>En cosm\u00e9tologie, le collag\u00e8ne est essentiellement utilis\u00e9 pour ses propri\u00e9t\u00e9s hydratantes et filmog\u00e8nes en surface. Il contribue \u00e0 am\u00e9liorer le confort cutan\u00e9 et l\u2019aspect de la peau, sans intervenir directement sur le collag\u00e8ne dermique. Son emploi doit ainsi \u00eatre envisag\u00e9 comme un soin d\u2019accompagnement, destin\u00e9 \u00e0 entretenir la qualit\u00e9 de la peau, et non comme une intervention capable de restaurer sa structure profonde.<\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d2de52d e-flex e-con-boxed e-con e-parent\" data-id=\"d2de52d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6bbd75a elementor-widget elementor-widget-heading\" data-id=\"6bbd75a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\nQuels sont les bienfaits de prendre du collag\u00e8ne ?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-01770f7 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"01770f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ea698e elementor-widget elementor-widget-text-editor\" data-id=\"1ea698e\" data-element_type=\"widget\" data-e-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<p>La prise de collag\u00e8ne, notamment sous forme de compl\u00e9ments alimentaires, peut contribuer \u00e0 satisfaire certains besoins de l\u2019organisme, en particulier lorsque la production endog\u00e8ne diminue avec l\u2019\u00e2ge. Une fois ing\u00e9r\u00e9, le collag\u00e8ne est d\u00e9grad\u00e9 en acides amin\u00e9s et en peptides, qui peuvent servir de substrats \u00e0 la synth\u00e8se de nouvelles prot\u00e9ines, dont le collag\u00e8ne endog\u00e8ne. Cette suppl\u00e9mentation peut participer au maintien de la sant\u00e9 articulaire, au confort des tissus conjonctifs et, de mani\u00e8re indirecte, \u00e0 la qualit\u00e9 de la peau. Les b\u00e9n\u00e9fices observ\u00e9s varient toutefois selon les personnes, leur alimentation, leur \u00e2ge et leur \u00e9tat physiologique. La prise de collag\u00e8ne ne doit pas \u00eatre consid\u00e9r\u00e9e comme une solution isol\u00e9e ou miraculeuse.<\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-005a19f e-flex e-con-boxed e-con e-parent\" data-id=\"005a19f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e9c6602 e-con-full e-flex e-con e-child\" data-id=\"e9c6602\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t<div class=\"elementor-element elementor-element-a0ab689 e-con-full e-flex e-con e-child\" data-id=\"a0ab689\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t<div class=\"elementor-element elementor-element-c94b3f0 e-con-full e-flex e-con e-child\" data-id=\"c94b3f0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t<div class=\"elementor-element elementor-element-7575e63 e-con-full e-flex e-con e-child\" data-id=\"7575e63\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f2978cc elementor-widget elementor-widget-image\" data-id=\"f2978cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"252\" height=\"300\" src=\"https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/photo-docteur-romano-valeria-252x300.webp\" class=\"attachment-medium size-medium wp-image-13266\" alt=\"Photo docteur Valeria Romano \u00e0 Gen\u00e8ve\" srcset=\"https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/photo-docteur-romano-valeria-252x300.webp 252w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/photo-docteur-romano-valeria-10x12.webp 10w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/photo-docteur-romano-valeria.webp 763w\" sizes=\"(max-width: 252px) 100vw, 252px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6bad1d8 elementor-widget elementor-widget-text-editor\" data-id=\"6bad1d8\" data-element_type=\"widget\" data-e-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<p>Article r\u00e9dig\u00e9 par le <a href=\"https:\/\/drromanovaleria.ch\/\">Dr Romano Valeria<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d03a589 e-con-full e-flex e-con e-child\" data-id=\"d03a589\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-41ff9bf elementor-widget elementor-widget-text-editor\" data-id=\"41ff9bf\" data-element_type=\"widget\" data-e-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<p>PARTAGER CET ARTICLE SUR<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f49dbb elementor-share-buttons--view-icon-text elementor-share-buttons--skin-gradient elementor-share-buttons--shape-square elementor-grid-0 elementor-share-buttons--color-official elementor-widget elementor-widget-share-buttons\" data-id=\"4f49dbb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"share-buttons.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div 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class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-envelope\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">dr.romano.valeria@gmail.com<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a 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elasticit\u00e0, idratazione e prevenzione dell\u2019invecchiamento cutaneo. Consigli per stimolarne la produzione e scegliere i trattamenti adatti alla tua pelle.<\/p>","protected":false},"author":2,"featured_media":7797,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-57389","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00c0 quoi sert le collag\u00e8ne ? \u2013 Dr Romano<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez \u00e0 quoi sert le collag\u00e8ne pour la peau \u00e0 Gen\u00e8ve : maintien de la fermet\u00e9, \u00e9lasticit\u00e9, hydratation et pr\u00e9vention du vieillissement cutan\u00e9. 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