{"id":24740,"date":"2025-04-21T09:36:17","date_gmt":"2025-04-21T07:36:17","guid":{"rendered":"https:\/\/drromanovaleria.ch\/?post_type=infographie&#038;p=24740"},"modified":"2026-05-27T18:41:45","modified_gmt":"2026-05-27T16:41:45","slug":"explanation-hyaluronic-acid","status":"publish","type":"infographie","link":"https:\/\/drromanovaleria.ch\/en\/infographie\/explication-acide-hyaluronique\/","title":{"rendered":"What is hyaluronic acid ?"},"content":{"rendered":"<h1>WHAT IS HYALURONIC ACID ?<\/h1>\n<section dir=\"auto\" data-turn-id=\"request-WEB:3a68fe84-9e10-4244-8464-6732c58f1b2d-3\" data-testid=\"conversation-turn-8\" data-scroll-anchor=\"false\" data-turn=\"assistant\">\n<p data-start=\"0\" data-end=\"287\" data-is-last-node=\"\" data-is-only-node=\"\">L\u2019injection d\u2019acide hyaluronique au niveau du visage constitue un traitement esth\u00e9tique destin\u00e9 \u00e0 att\u00e9nuer les rides et \u00e0 restaurer les volumes qui ont tendance \u00e0 diminuer naturellement avec le temps. Elle permet ainsi de red\u00e9finir les contours du visage tout en pr\u00e9servant son harmonie.<br \/>L\u2019acide hyaluronique est devenu, ces derni\u00e8res ann\u00e9es, un incontournable de la pris en charge anti-\u00e2ge et du rajeunissement du visage. Pr\u00e9sent \u00e0 la fois dans les cosm\u00e9tiques et dans les produits d\u2019injection m\u00e9dicales, il est aujourd\u2019hui consid\u00e9r\u00e9 comme une mol\u00e9cule essentielle au maintien de l\u2019hydratation, de la fermet\u00e9 et de la jeunesse de la peau.<br \/>Mais au-del\u00e0 de sa notori\u00e9t\u00e9, qu\u2019est-ce que l\u2019acide hyaluronique r\u00e9ellement ? Comment agit-il dans le corps ? Et pourquoi son utilisation en m\u00e9decine \u00e0 vis\u00e9e esth\u00e9tique s\u2019est-elle impos\u00e9e comme une r\u00e9f\u00e9rence aussi s\u00fbre qu\u2019efficace ?<\/p>\n<\/section>\n<p>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"220\" src=\"https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/05\/hydratation-peau.webp\" alt=\"image of young hydrated skin\" srcset=\"https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/05\/hydratation-peau.webp 300w, https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/05\/hydratation-peau-16x12.webp 16w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><br \/>\n\t\t\t\t\t<a href=\"https:\/\/drromanovaleria.ch\/en\/contact-doctor-romano-valeria\/\"><br \/>\n\t\t\t\t\t\t\t\t\tBook an appointment<br \/>\n\t\t\t\t\t<\/a><\/p>\n<h2>\n\t\t\t\tContents\t\t\t<\/h2>\n<p>\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" 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><br \/>\n\t\t\t\t<svg aria-hidden=\"true\" 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><br \/>\n\t\t\t\t<svg 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<\/p>\n<h2>Acide hyaluronique dans le corps humain<\/h2>\n<p>L\u2019acide hyaluronique est une mol\u00e9cule naturellement pr\u00e9sente dans notre organisme. Cette substance est naturellement produite par le corps humain. On le retrouve principalement dans la peau, les articulations, les tissus conjonctifs, et l\u2019\u0153il. Il s\u2019agit d\u2019un glycosaminoglycane, une sorte de sucre complexe capable de retenir jusqu\u2019\u00e0 1 000 fois son poids en eau. Ce pouvoir hydratant en fait un \u00e9l\u00e9ment fondamental pour le maintien de la souplesse cutan\u00e9e, l\u2019\u00e9lasticit\u00e9 des tissus, la protection contre le stress oxydatif, et la r\u00e9g\u00e9n\u00e9ration cellulaire.<\/p>\n<h2>Acide hyaluronique et vieillissement de la peau<\/h2>\n<p>Avec l\u2019\u00e2ge, la production naturelle d\u2019acide hyaluronique diminue progressivement : d\u00e8s 25 ans, sa concentration commence \u00e0 baisser, vers 50 ans, elle peut avoir chut\u00e9 de plus de 50 %.<br \/>Cette perte se traduit par une peau plus s\u00e8che et moins \u00e9lastique, l\u2019apparition de rides et ridules, un rel\u00e2chement cutan\u00e9 progressif, et une perte de volume dans certaines zones du visage (pommettes, tempes, l\u00e8vres).<br \/>Le vieillissement de la peau est donc \u00e9troitement li\u00e9 \u00e0 la r\u00e9duction du taux d\u2019acide hyaluronique, tant en quantit\u00e9 qu\u2019en qualit\u00e9.<\/p>\n<h2>Acide hyaluronique en m\u00e9decine \u00e0 vis\u00e9e esth\u00e9tique<\/h2>\n<p>L\u2019acide hyaluronique utilis\u00e9 en m\u00e9decine \u00e0 vis\u00e9e esth\u00e9tique est un gel synth\u00e9tis\u00e9 en laboratoire par fermentation bact\u00e9rienne, purifi\u00e9 et st\u00e9rilis\u00e9. Il est identique \u00e0 celui que produit naturellement le corps, ce qui garantit une excellente tol\u00e9rance et tr\u00e8s peu de r\u00e9actions allergiques.<br \/>Ses applications sont multiples : comblement des rides (sillons nasog\u00e9niens, plis d\u2019amertume), restauration des volumes (pommettes, tempes, menton, jawline), repulpage des l\u00e8vres, hydratation profonde de la peau (Skinboosters), correction des cernes creux, am\u00e9lioration de la qualit\u00e9 de la peau (\u00e9clat, tonicit\u00e9).<br \/>Inject\u00e9 \u00e0 diff\u00e9rentes profondeurs (du derme superficiel \u00e0 l\u2019hypoderme), il permet un traitement sur mesure, adapt\u00e9 aux besoins de chaque visage.<\/p>\n<h2>Quelle est la diff\u00e9rence entre acide hyaluronique et toxine botulique ?<\/h2>\n<p>Il est essentiel de ne pas confondre l\u2019acide hyaluronique et la toxine botulique, car ils n\u2019agissent pas de la m\u00eame mani\u00e8re.<br data-start=\"186\" data-end=\"189\" \/>L\u2019acide hyaluronique est un produit de comblement : il redonne du volume, corrige un creux, am\u00e9liore la qualit\u00e9 de la peau et peut lifter certaines zones selon la technique utilis\u00e9e.<br data-start=\"371\" data-end=\"374\" \/>La toxine botulique, quant \u00e0 elle, agit sur la contraction des muscles pour d\u00e9tendre les rides d\u2019expression, notamment au niveau du front, de la glabelle et des pattes-d\u2019oie.<br data-start=\"548\" data-end=\"551\" \/>Ces deux traitements sont souvent associ\u00e9s pour un r\u00e9sultat harmonieux et global, mais leurs m\u00e9canismes d\u2019action sont totalement diff\u00e9rents et compl\u00e9mentaires.<\/p>\n<h2>Acide hyaluronique : est-ce un traitement durable ?<\/h2>\n<p>L\u2019acide hyaluronique est r\u00e9sorbable : il est naturellement d\u00e9grad\u00e9 par l\u2019organisme au fil du temps.<br \/>Selon la zone inject\u00e9e, la r\u00e9ticulation du produit (sa densit\u00e9) et le m\u00e9tabolisme de la personne, sa dur\u00e9e varie entre 10 et 15 mois.<br \/>Cette r\u00e9sorption progressive permet d\u2019ajuster les r\u00e9sultats au fil du temps, sans jamais figer le visage. Elle offre une souplesse d\u2019adaptation id\u00e9ale pour respecter l\u2019\u00e9volution naturelle du visage.<\/p>\n<h2>Acide hyaluronique\u00a0: r\u00e9sum\u00e9<\/h2>\n<p>L\u2019acide hyaluronique est une mol\u00e9cule naturellement pr\u00e9sente dans l\u2019organisme, reconnue pour son pouvoir hydratant exceptionnel et son r\u00f4le essentiel dans le maintien de la qualit\u00e9, de la souplesse et de l\u2019\u00e9lasticit\u00e9 de la peau. Tr\u00e8s bien tol\u00e9r\u00e9, il est aujourd\u2019hui l\u2019un des produits les plus utilis\u00e9s en m\u00e9decine \u00e0 vis\u00e9e esth\u00e9tique, notamment pour son caract\u00e8re r\u00e9sorbable, sa modulabilit\u00e9 et sa polyvalence.<br \/>Qu\u2019il s\u2019agisse de combler une ride, de redonner du volume ou d\u2019am\u00e9liorer la qualit\u00e9 de la peau, l\u2019acide hyaluronique offre une approche \u00e0 la fois personnalisable, naturelle et progressive.<br \/>L\u2019acide hyaluronique est bien plus qu\u2019un simple produit anti-\u00e2ge. Il repr\u00e9sente aujourd\u2019hui l\u2019un des piliers de la m\u00e9decine \u00e0 vis\u00e9e esth\u00e9tique, capable d\u2019accompagner le vieillissement cutan\u00e9 de fa\u00e7on progressive, naturelle et respectueuse des traits.<\/p>\n<p>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/drromanovaleria.ch\/wp-content\/uploads\/2024\/07\/photo-docteur-romano-valeria-150x150.webp\" alt=\"Photo of doctor Valeria Romano in Geneva\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/p>\n<p>Article written by <a href=\"https:\/\/drromanovaleria.ch\/en\/\">Dr Romano Valeria<\/a><\/p>\n<p>SHARE THIS ARTICLE ON<\/p>\n<p>\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z\"><\/path><\/svg><br \/>\n\t\t\t\t\t\t\t\t\t\tLinkedIn\t\t\t\t\t\t\t\t\t<\/p>\n<ul>\n<li>\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"mailto:dr.romano.valeria@gmail.com\"><br \/>\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" 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><br \/>\n\t\t\t\t\t\t\t\t\t\tdr.romano.valeria@gmail.com<br \/>\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<li>\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"tel:+41%2078%20209%2002%2089\"><br \/>\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M497.39 361.8l-112-48a24 24 0 0 0-28 6.9l-49.6 60.6A370.66 370.66 0 0 1 130.6 204.11l60.6-49.6a23.94 23.94 0 0 0 6.9-28l-48-112A24.16 24.16 0 0 0 122.6.61l-104 24A24 24 0 0 0 0 48c0 256.5 207.9 464 464 464a24 24 0 0 0 23.4-18.6l24-104a24.29 24.29 0 0 0-14.01-27.6z\"><\/path><\/svg><br \/>\n\t\t\t\t\t\t\t\t\t\t+41 78 209 02 89<br \/>\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<\/ul>","protected":false},"featured_media":5022,"template":"elementor_header_footer","class_list":["post-24740","infographie","type-infographie","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Qu\u2019est-ce que l\u2019acide hyaluronique ? - Dr Romano<\/title>\n<meta name=\"description\" content=\"L\u2019acide hyaluronique est une substance naturellement pr\u00e9sente dans la peau, les articulations et les tissus. En m\u00e9decine esth\u00e9tique, il est utilis\u00e9 pour hydrater, lisser les rides et restaurer les volumes de mani\u00e8re temporaire et bien tol\u00e9r\u00e9e.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/drromanovaleria.ch\/en\/infographic\/explanation-hyaluronic-acid\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu\u2019est-ce que l\u2019acide hyaluronique ? - Dr Romano\" \/>\n<meta property=\"og:description\" content=\"L\u2019acide hyaluronique est une substance naturellement pr\u00e9sente dans la peau, les articulations et les tissus. En m\u00e9decine esth\u00e9tique, il est utilis\u00e9 pour hydrater, lisser les rides et restaurer les volumes de mani\u00e8re temporaire et bien tol\u00e9r\u00e9e.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/drromanovaleria.ch\/en\/infographic\/explanation-hyaluronic-acid\/\" \/>\n<meta property=\"og:site_name\" content=\"Dr Romano\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-27T16:41:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/valeria.yohanndeprez.fr\/wp-content\/uploads\/2024\/05\/mesotherapie-vitamines.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"198\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/drromanovaleria.ch\/wp-content\/themes\/romano-performance\/assets\/photo-docteur-valeria-romano.webp\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/drromanovaleria.ch\\\/infographie\\\/explication-acide-hyaluronique\\\/\",\"url\":\"https:\\\/\\\/drromanovaleria.ch\\\/infographie\\\/explication-acide-hyaluronique\\\/\",\"name\":\"Qu\u2019est-ce que l\u2019acide hyaluronique ? - Dr Romano\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/drromanovaleria.ch\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/drromanovaleria.ch\\\/infographie\\\/explication-acide-hyaluronique\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/drromanovaleria.ch\\\/infographie\\\/explication-acide-hyaluronique\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/drromanovaleria.ch\\\/wp-content\\\/uploads\\\/2024\\\/05\\\/mesotherapie-vitamines.webp\",\"datePublished\":\"2025-04-21T07:36:17+00:00\",\"dateModified\":\"2026-05-27T16:41:45+00:00\",\"description\":\"L\u2019acide hyaluronique est une substance naturellement pr\u00e9sente dans la peau, les articulations et les tissus. 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