{"id":10922,"date":"2017-08-17T10:55:32","date_gmt":"2017-08-17T16:55:32","guid":{"rendered":"https:\/\/askthescientists.com\/?post_type=qa&#038;p=10922\/"},"modified":"2025-12-17T15:54:44","modified_gmt":"2025-12-17T22:54:44","slug":"vitalizing-serum","status":"publish","type":"qa","link":"https:\/\/askthescientists.com\/fr\/qa\/vitalizing-serum\/","title":{"rendered":"S\u00e9rum Vitalit\u00e9 Celavive d&#8217;USANA"},"content":{"rendered":"<div class='flex_column_table av-ja39k2y-30a1e3f9068eb43334d0631dc5cc223c sc-av_one_third av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ja39k2y-30a1e3f9068eb43334d0631dc5cc223c\">\n.flex_column.av-ja39k2y-30a1e3f9068eb43334d0631dc5cc223c{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-ja39k2y-30a1e3f9068eb43334d0631dc5cc223c av_one_third  avia-builder-el-0  el_before_av_two_third  avia-builder-el-first  first no_margin flex_column_table_cell av-equal-height-column av-align-top av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ikx83oq-5193f099b9b9f533dea4f49e72d83e32\">\n.avia-image-container.av-ikx83oq-5193f099b9b9f533dea4f49e72d83e32 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-ikx83oq-5193f099b9b9f533dea4f49e72d83e32 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-ikx83oq-5193f099b9b9f533dea4f49e72d83e32 av-styling- avia-align-center  avia-builder-el-1  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-76022 avia-img-lazy-loading-not-76022 avia_image ' src=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2025\/08\/20250630_Vitalizing-Serum-Asia_4503-557x835.jpg\" alt='' title='20250630_Vitalizing-Serum-Asia_4503'  height=\"835\" width=\"557\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2025\/08\/20250630_Vitalizing-Serum-Asia_4503-557x835.jpg 557w, https:\/\/askthescientists.com\/wp-content\/uploads\/2025\/08\/20250630_Vitalizing-Serum-Asia_4503-267x400.jpg 267w, https:\/\/askthescientists.com\/wp-content\/uploads\/2025\/08\/20250630_Vitalizing-Serum-Asia_4503-768x1152.jpg 768w, https:\/\/askthescientists.com\/wp-content\/uploads\/2025\/08\/20250630_Vitalizing-Serum-Asia_4503-1024x1536.jpg 1024w, https:\/\/askthescientists.com\/wp-content\/uploads\/2025\/08\/20250630_Vitalizing-Serum-Asia_4503-1365x2048.jpg 1365w, https:\/\/askthescientists.com\/wp-content\/uploads\/2025\/08\/20250630_Vitalizing-Serum-Asia_4503-1000x1500.jpg 1000w, https:\/\/askthescientists.com\/wp-content\/uploads\/2025\/08\/20250630_Vitalizing-Serum-Asia_4503-470x705.jpg 470w, https:\/\/askthescientists.com\/wp-content\/uploads\/2025\/08\/20250630_Vitalizing-Serum-Asia_4503-scaled.jpg 1707w\" sizes=\"(max-width: 557px) 100vw, 557px\" \/><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1syebze-1333e5c1d7758a4ccb7ebdd9763f9e8d\">\n.flex_column.av-1syebze-1333e5c1d7758a4ccb7ebdd9763f9e8d{\nborder-radius:0px 0px 0px 0px;\npadding:30px 30px 30px 30px;\nbackground-color:#e8e8e8;\n}\n<\/style>\n<div  class='flex_column av-1syebze-1333e5c1d7758a4ccb7ebdd9763f9e8d av_two_third  avia-builder-el-2  el_after_av_one_third  el_before_av_textblock  no_margin flex_column_table_cell av-equal-height-column av-align-top  '     ><section  class='av_textblock_section av-hu4jg7e-d4eb185c7c59ff1a2e977b7e177540bc '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3 style=\"padding-left: 30px;\">Le S\u00e9rum Vitalit\u00e9 Celavive<\/h3>\n<p style=\"padding-left: 50px;\">R\u00e9v\u00e8le une peau d&#8217;apparence ferme et \u00e9clatante gr\u00e2ce \u00e0 un m\u00e9lange concentr\u00e9 de nutriments qui contient \u00e9galement BioPeptide-CS exclusif \u00e0 USANA.<\/p>\n<\/div><\/section><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\n<section  class='av_textblock_section av-jjt2x1k3-cb5e79143f89130a14322fb28d233ed6 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>R\u00e9v\u00e9lez une peau d&#8217;apparence ferme et \u00e9clatante avec le S\u00e9rum Vitalit\u00e9 Celavive<\/h2>\n<p>Att\u00e9nuez visiblement l&#8217;apparence des rides et ridules et r\u00e9v\u00e9lez l&#8217;\u00e9clat de jeunesse de votre peau avec le S\u00e9rum Vitalit\u00e9 Celavive. Appliqu\u00e9 apr\u00e8s la <a href=\"https:\/\/askthescientists.com\/qa\/perfecting-toner\/\">Lotion Tonique Purifiante<\/a> ou le <a href=\"https:\/\/askthescientists.com\/qa\/celavive-sheet-mask\/\">Masque en Feuille Lift Hydratant<\/a>, ce s\u00e9rum \u00e0 base d&#8217;eau contient des ingr\u00e9dients actifs cibl\u00e9s et soutient les processus naturels de renouvellement de la peau.<\/p>\n<p>Le S\u00e9rum Vitalit\u00e9 Celavive contient une tr\u00e8s forte concentration des peptides et des extraits v\u00e9g\u00e9taux uniques que renferme <a href=\"https:\/\/askthescientists.com\/qa\/celavive-cell-signaling-complex\/\">BioPeptide-CS<\/a>. La formule est aussi riche en nutriments et soutient les antioxydants qui aident \u00e0 revitaliser et \u00e0 r\u00e9g\u00e9n\u00e9rer la peau.<\/p>\n<p>Le S\u00e9rum Vitalit\u00e9 Celavive commence \u00e0 transformer visiblement l&#8217;apparence de la peau. Voici ce que vous constaterez d\u00e8s la premi\u00e8re application\u00a0:<\/p>\n<ul>\n<li>Une peau plus ferme<\/li>\n<li>Des rides et des ridules visiblement att\u00e9nu\u00e9es<\/li>\n<li>Une peau souple et lisse \u00e0 l\u2019\u0153il et au toucher<\/li>\n<li>Une apparence att\u00e9nu\u00e9e des pores<\/li>\n<li>Un teint plus uniforme et plus \u00e9clatant, avec une att\u00e9nuation de l&#8217;hyperpigmentation apparente.<\/li>\n<\/ul>\n<p>Le S\u00e9rum Vitalit\u00e9 Celavive a aussi fait l&#8217;objet d&#8217;\u00e9tudes cliniques qui ont d\u00e9montr\u00e9 qu&#8217;il am\u00e9liore\u00a0:<\/p>\n<ul>\n<li>L&#8217;apparence des rides de 12\u00a0%<\/li>\n<li>Les ridules visibles de 24\u00a0%<\/li>\n<li>L&#8217;apparence de fermet\u00e9 de 6\u00a0%<\/li>\n<li>L&#8217;aspect lisse de 16\u00a0%<\/li>\n<\/ul>\n<p>Sans parab\u00e8nes, le S\u00e9rum Vitalit\u00e9 Celavive convient \u00e0 tous les types de peau, qu&#8217;elle soit s\u00e8che, grasse, sensible ou mixte.<\/p>\n<h2>Adoucit l&#8217;apparence des rides et ridules<\/h2>\n<p>On ne peut peut-\u00eatre pas remonter le temps, mais le S\u00e9rum Vitalit\u00e9 Celavive aide \u00e0 donner \u00e0 la peau un aspect rafra\u00eechi et revitalis\u00e9 pour une apparence plus jeune.<\/p>\n<p>BioPeptide-CS offre un soutien puissant pour la peau visiblement tendue par des facteurs environnementaux et de mode de vie. Les extraits v\u00e9g\u00e9taux et les peptides agissent de concert pour favoriser une peau d&#8217;apparence ferme et \u00e9clatante. Ce complexe fait appel \u00e0 la technologie InCelligence, con\u00e7ue pour soutenir les processus naturels de la peau et lui donner un aspect visiblement plus lisse.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-15792 size-medium\" src=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2018\/01\/Vitalizing-Serum-Firm-Skin-400x231.png\" alt=\"\" width=\"400\" height=\"231\" \/><\/p>\n<p>Le complexe favorise l&#8217;apparence d&#8217;une peau saine de plusieurs fa\u00e7ons\u00a0:<\/p>\n<ul>\n<li>Il aide \u00e0 r\u00e9\u00e9quilibrer la peau tendue pour lui donner une apparence plus lisse.<\/li>\n<li>Il renforce la barri\u00e8re d&#8217;hydratation cutan\u00e9e pour favoriser une peau d&#8217;apparence ferme et hydrat\u00e9e.<\/li>\n<li>Il pr\u00e9serve les \u00e9l\u00e9ments constitutifs d&#8217;une peau saine, notamment le collag\u00e8ne, l&#8217;\u00e9lastine et l&#8217;acide hyaluronique, pour lutter contre les signes visibles de vieillissement et maintenir la fermet\u00e9.<\/li>\n<li>Il fournit un soutien antioxydant pour favoriser un teint \u00e9clairci et plus uniforme.<\/li>\n<\/ul>\n<p>En soutenant ces processus cutan\u00e9s, il est possible de r\u00e9duire consid\u00e9rablement l&#8217;apparence des ridules et des rides et am\u00e9liorer le teint en g\u00e9n\u00e9ral.<\/p>\n<\/div><\/section>\n<section  class='av_textblock_section av-jjt2x8gd-3fe3757e2967c4fa7d7d2340f4723486 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>Un collag\u00e8ne en sant\u00e9 aide la peau \u00e0 para\u00eetre plus ferme et plus rebondie<\/h2>\n<p>Une peau jeune se d\u00e9finit par sa souplesse et sa r\u00e9silience. Sa force vient de sa capacit\u00e9 \u00e0 agir un peu comme un \u00e9lastique. Elle reprend sa forme apr\u00e8s avoir \u00e9t\u00e9 \u00e9tir\u00e9e. Les effets visibles d&#8217;une \u00e9lasticit\u00e9 r\u00e9duite de la peau sont un rel\u00e2chement progressif et une fragilit\u00e9 accrue.<\/p>\n<p>Maintenez la fermet\u00e9 de votre peau en favorisant la production de collag\u00e8ne et d&#8217;\u00e9lastine dans la matrice cutan\u00e9e. Le collag\u00e8ne devient vuln\u00e9rable apr\u00e8s avoir \u00e9t\u00e9 expos\u00e9 au soleil, car les radicaux libres et la s\u00e9cheresse qui en r\u00e9sultent peuvent le faire se d\u00e9grader. Si trop de collag\u00e8ne se d\u00e9grade, des rides et une \u00e9lasticit\u00e9 r\u00e9duite de la peau se manifesteront.<\/p>\n<p>BioPeptide-CS contenu dans le S\u00e9rum Vitalit\u00e9 Celavive cible les processus cellulaires cl\u00e9s qui emp\u00eachent le collag\u00e8ne et d&#8217;autres prot\u00e9ines structurales de se d\u00e9grader, aidant ainsi \u00e0 r\u00e9duire l&#8217;apparence des rides et des ridules.<\/p>\n<p>De m\u00eame, le S\u00e9rum Vitalit\u00e9 Celavive est con\u00e7u pour am\u00e9liorer visiblement l&#8217;aspect de la peau affect\u00e9e par des facteurs de stress environnementaux, y compris ceux associ\u00e9s aux <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3583887\/\">produits terminaux de glycation<\/a> (aussi nomm\u00e9s AGE). Les AGE sont des mol\u00e9cules destructrices qui se forment dans les r\u00e9actions entre les sucres et les prot\u00e9ines, les lipides ou les acides nucl\u00e9iques. Ces mol\u00e9cules peuvent rendre le collag\u00e8ne rigide et plus susceptible de se briser.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-16720\" src=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/AGEs-FR.jpg\" alt=\"\" width=\"450\" height=\"235\" srcset=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/AGEs-FR.jpg 450w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/AGEs-FR-400x209.jpg 400w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/p>\n<p>Le collag\u00e8ne affaibli par les AGE peut donner \u00e0 la peau un aspect aminci, d\u00e9color\u00e9 et flasque. Le stress oxydatif peut acc\u00e9l\u00e9rer ce processus, en particulier dans le cas d&#8217;une alimentation riche en aliments frits et en sucres raffin\u00e9s. En inhibant certains des effets des AGE \u00e0 l&#8217;aide d&#8217;antioxydants, on prot\u00e8ge le collag\u00e8ne sain, ce qui pr\u00e9serve l&#8217;\u00e9lasticit\u00e9 de la peau.<\/p>\n<p>Le S\u00e9rum Vitalit\u00e9 Celavive contient un complexe de superaliments compos\u00e9 d&#8217;extraits de champignons qui regroupe des adaptog\u00e8nes et des antioxydants. Ceux-ci soutiennent le collag\u00e8ne et l&#8217;\u00e9lasticit\u00e9. Le S\u00e9rum Vitalit\u00e9 est con\u00e7u pour am\u00e9liorer visiblement l&#8217;\u00e9lasticit\u00e9 de la peau, lui conf\u00e9rant un aspect plus ferme et plus souple apr\u00e8s utilisation. Une \u00e9tude priv\u00e9e a d\u00e9montr\u00e9 que l&#8217;\u00e9lasticit\u00e9 de la peau s&#8217;am\u00e9liorait en trois heures, ce qui signifie que vous verrez une peau visiblement plus ferme.<\/p>\n<p>Le collag\u00e8ne affaibli par les AGE peut donner \u00e0 la peau un aspect aminci, d\u00e9color\u00e9 et flasque. Le stress oxydatif peut acc\u00e9l\u00e9rer ce processus, en particulier dans le cas d&#8217;une alimentation riche en aliments frits et en sucres raffin\u00e9s. En inhibant certains des effets des AGE \u00e0 l&#8217;aide d&#8217;antioxydants, on prot\u00e8ge le collag\u00e8ne sain, ce qui pr\u00e9serve l&#8217;\u00e9lasticit\u00e9 de la peau.<\/p>\n<p>Le S\u00e9rum Vitalit\u00e9 Celavive contient un complexe de superaliments compos\u00e9 d&#8217;extraits de champignons qui regroupe des adaptog\u00e8nes et des antioxydants. Ceux-ci soutiennent le collag\u00e8ne et l&#8217;\u00e9lasticit\u00e9. Le S\u00e9rum Vitalit\u00e9 est con\u00e7u pour am\u00e9liorer visiblement l&#8217;\u00e9lasticit\u00e9 de la peau, lui conf\u00e9rant un aspect plus ferme et plus souple apr\u00e8s utilisation. Une \u00e9tude priv\u00e9e a d\u00e9montr\u00e9 que l&#8217;\u00e9lasticit\u00e9 de la peau s&#8217;am\u00e9liorait en trois heures, ce qui signifie que vous verrez une peau visiblement plus ferme.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-76014\" src=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2025\/08\/20250630_Vitalizing-Serum-Asia_3868.jpg\" alt=\"\" width=\"400\" height=\"300\" \/><\/p>\n<\/div><\/section>\n<section  class='av_textblock_section av-mfguhbvo-f0e26a1f2db03f8adde3dfc2eafc68aa '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>\u00c9tudes cliniques<\/h2>\n<p>Une \u00e9tude de huit semaines a \u00e9t\u00e9 men\u00e9e pour \u00e9valuer l&#8217;efficacit\u00e9 de Le S\u00e9rum Vitalit\u00e9 Celavive sur l&#8217;apparence de la peau au contour des yeux. L&#8217;\u00e9tude a port\u00e9 sur 36 femmes \u00e2g\u00e9es de 35 \u00e0 75 ans, de diverses origines ethniques et avec diff\u00e9rents types de peau, notamment les peaux mixtes, s\u00e8ches et normales. Les participantes pr\u00e9sentaient des poches sous les yeux, des cernes, des ridules, des rides et un manque de fermet\u00e9 ou d&#8217;\u00e9clat, d&#8217;intensit\u00e9 l\u00e9g\u00e8re \u00e0 mod\u00e9r\u00e9e.<\/p>\n<p>Les sujets ont re\u00e7u pour consigne d&#8217;appliquer le produit test\u00e9 deux fois par jour, conform\u00e9ment aux instructions, sur la peau autour des yeux, entre les sourcils, sur les rides d&#8217;amertume, les sillons naso-g\u00e9niens, les joues et la m\u00e2choire. La premi\u00e8re application a \u00e9t\u00e9 effectu\u00e9e \u00e0 la clinique imm\u00e9diatement apr\u00e8s les \u00e9valuations de r\u00e9f\u00e9rence. Le produit a \u00e9t\u00e9 utilis\u00e9 pendant huit\u00a0semaines, avec une prise de mesures au d\u00e9but de l&#8217;\u00e9tude, puis aux semaines\u00a02, 4 et 8 afin d&#8217;\u00e9valuer l&#8217;am\u00e9lioration de l&#8217;apparence de la peau.<\/p>\n<p>Les r\u00e9sultats d\u00e9montrent que, dans les conditions du test, le S\u00e9rum Vitalit\u00e9 a permis une am\u00e9lioration notable de l&#8217;apparence des ridules\u00a0: pr\u00e8s de 25\u00a0% autour des yeux, pr\u00e8s de 20\u00a0% sur le front et plus de 15\u00a0% sur la l\u00e8vre sup\u00e9rieure et le menton.<\/p>\n<\/div><\/section>\n<div  class='togglecontainer av-mfgv7q6k-06b1e17edc40d3aef2788da8a8a87820  avia-builder-el-7  el_after_av_textblock  el_before_av_image  toggle_close_all' >\n<section class='av_toggle_section av-mfgv7o1d-47ae8cf466bbb9dcf018c9f2e37051e1'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-1' data-fake-id='#toggle-id-1' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-1' data-slide-speed=\"200\" data-title=\"Pour d\u2019autres r\u00e9sultats, voir le graphique ci-dessous.\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Pour d\u2019autres r\u00e9sultats, voir le graphique ci-dessous.\" data-aria_expanded=\"Click to collapse: Pour d\u2019autres r\u00e9sultats, voir le graphique ci-dessous.\">Pour d\u2019autres r\u00e9sultats, voir le graphique ci-dessous.<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-1' aria-labelledby='toggle-toggle-id-1' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>Ce graphique illustre les r\u00e9sultats obtenus \u00e0 la huiti\u00e8me semaine de l&#8217;\u00e9tude. Les sujets ont constat\u00e9 une am\u00e9lioration de l&#8217;aspect lisse de la peau, en particulier dans les zones du contour des yeux, du front, du menton, de la l\u00e8vre sup\u00e9rieure et des joues.<\/p>\n<h2>% Am\u00e9liorations par rapport aux mesures de r\u00e9f\u00e9rence \u00e0 la 8e semaine<\/h2>\n<p><a href=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/Vitalizing-Serum-Graph-French.png\"><img decoding=\"async\" class=\"aligncenter size-large wp-image-77057\" src=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/Vitalizing-Serum-Graph-French-835x537.png\" alt=\"\" width=\"835\" height=\"537\" srcset=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/Vitalizing-Serum-Graph-French-835x537.png 835w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/Vitalizing-Serum-Graph-French-400x257.png 400w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/Vitalizing-Serum-Graph-French-768x494.png 768w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/Vitalizing-Serum-Graph-French-1536x988.png 1536w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/Vitalizing-Serum-Graph-French-2048x1317.png 2048w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/Vitalizing-Serum-Graph-French-1500x965.png 1500w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/Vitalizing-Serum-Graph-French-705x453.png 705w\" sizes=\"(max-width: 835px) 100vw, 835px\" \/><\/a><\/p>\n<\/div><\/div><\/div><\/section>\n<\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k0smn6rw-8770d57776d0afd732c0c5727d8566ce\">\n.avia-image-container.av-k0smn6rw-8770d57776d0afd732c0c5727d8566ce img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-k0smn6rw-8770d57776d0afd732c0c5727d8566ce .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-k0smn6rw-8770d57776d0afd732c0c5727d8566ce av-styling- avia-align-center  avia-builder-el-8  el_after_av_toggle_container  el_before_av_textblock '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-76030 avia-img-lazy-loading-not-76030 avia_image ' src=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2025\/08\/20250630_Vitalizing-Serum-Asia_4234.jpg\" alt='' title='20250630_Vitalizing-Serum-Asia_4234'  height=\"11648\" width=\"8736\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div>\n<section  class='av_textblock_section av-mfgvdoh6-ef73a6d9715547c1850bcfdeb86afadd '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>Les nutriments sont r\u00e9tablis pour nourrir les cellules cutan\u00e9es<\/h2>\n<p>Si votre peau est tendue, elle peut manquer des nutriments essentiels dont elle a besoin pour rester saine. Soutenez l&#8217;\u00e9clat naturel de votre peau avec le S\u00e9rum Vitalit\u00e9 Celavive. L&#8217;extrait utilis\u00e9 dans la formule p\u00e9n\u00e8tre en profondeur pour maximiser les bienfaits sur l&#8217;apparence et la texture de la peau.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-bod86qy-ea654f5ec1b26702471c46ef9ee7137e\">\n.flex_column.av-bod86qy-ea654f5ec1b26702471c46ef9ee7137e{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-bod86qy-ea654f5ec1b26702471c46ef9ee7137e av_one_half  avia-builder-el-10  el_after_av_textblock  el_before_av_one_half  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-bgy9f3e-a509a10c1cc3dd5c28b108053ab7a9a3 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>Ingr\u00e9dients principaux<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/askthescientists.com\/qa\/celavive-cell-signaling-complex\/\">Biopeptide-CS<\/a><\/li>\n<li><a href=\"https:\/\/askthescientists.com\/qa\/coenzyme-q10\/\">Coenzyme\u00a0Q10<\/a><\/li>\n<li>Olivol24<\/li>\n<li>Complexe de super aliments<\/li>\n<li>Huile de bakuchiol encapsul\u00e9e en liposomes<\/li>\n<\/ul>\n<p><a href=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2025\/08\/Vitalizing-Serum-Label.png\">Voir la liste compl\u00e8te des ingr\u00e9dients<\/a><br \/>\n<a href=\"https:\/\/askthescientists.com\/qa\/celavive-ingredients\/\">Consulter le glossaire des ingr\u00e9dients Celavive<\/a><\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-12nc40a-3aaaaf5067bbc8097768e94ff31a74ef\">\n.flex_column.av-12nc40a-3aaaaf5067bbc8097768e94ff31a74ef{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-12nc40a-3aaaaf5067bbc8097768e94ff31a74ef av_one_half  avia-builder-el-12  el_after_av_one_half  el_before_av_hr  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-aj8rpwq-245ba2e37dc7ae0cbf9fbbc598d34806 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>Usage<\/strong><\/p>\n<p>Mode d&#8217;emploi\u00a0: Apr\u00e8s avoir utilis\u00e9 la lotion tonique, appliquer uniform\u00e9ment deux ou trois noisettes du produit sur le visage et le cou par mouvements vers le haut et l&#8217;ext\u00e9rieur.<\/p>\n<p><em>Mise en garde\u00a0:<\/em> Conserver dans un endroit frais et sec. \u00c9viter tout contact avec les yeux. En cas d&#8217;irritation, cesser l&#8217;utilisation.<\/p>\n<p><strong>Id\u00e9al pour\u00a0:<\/strong><\/p>\n<ul>\n<li>tous les types de peau<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<div  class='hr av-8gn7rii-1ee38bea09482509c6935f715e0f7fbf hr-default  avia-builder-el-14  el_after_av_one_half  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-7vzw2qy-8d12f68118dd154024f3dad378c2a92b '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2 style=\"text-align: center;\"><strong>S\u00e9rum Vitalit\u00e9 Celavive : questions fr\u00e9quemment pos\u00e9es<\/strong><\/h2>\n<\/div><\/section>\n<div  class='togglecontainer av-7onq1my-3bc6debe0cb77db49702e3ffea0c94e2  avia-builder-el-16  el_after_av_textblock  el_before_av_hr  toggle_close_all' >\n<section class='av_toggle_section av-71eoq96-eb63743e0631eeb0b99c72834af4f156'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-2' data-fake-id='#toggle-id-2' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-2' data-slide-speed=\"200\" data-title=\"Q. Pourquoi lit-on lactobacille sur l\u2019\u00e9tiquette? Le S\u00e9rum Vitalit\u00e9 contient-il des probiotiques ?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Q. Pourquoi lit-on lactobacille sur l\u2019\u00e9tiquette? Le S\u00e9rum Vitalit\u00e9 contient-il des probiotiques ?\" data-aria_expanded=\"Click to collapse: Q. Pourquoi lit-on lactobacille sur l\u2019\u00e9tiquette? Le S\u00e9rum Vitalit\u00e9 contient-il des probiotiques ?\">Q. Pourquoi lit-on lactobacille sur l\u2019\u00e9tiquette? Le S\u00e9rum Vitalit\u00e9 contient-il des probiotiques ?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-2' aria-labelledby='toggle-toggle-id-2' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>R. Le lactobacille ou filtrat de jus de raisin ferment\u00e9 provient d\u2019un raisin de type chardonnay qui a \u00e9t\u00e9 ferment\u00e9 avec la bact\u00e9rie <em>lactobacille<\/em>.<\/p>\n<\/div><\/div><\/div><\/section>\n<\/div>\n<div  class='hr av-6iscs96-cf5b7d39bf047ae1afcb6e40c2382f57 hr-default  avia-builder-el-17  el_after_av_toggle_container  el_before_av_toggle_container '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='togglecontainer av-6alri4q-98de6bec434c5b5df94cc164e08439e3  avia-builder-el-18  el_after_av_hr  el_before_av_hr  toggle_close_all' >\n<section class='av_toggle_section av-lewai2-91f616bf2d7990aaaaad0bae2edc99ff'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-3' data-fake-id='#toggle-id-3' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-3' data-slide-speed=\"200\" data-title=\"R\u00e9f\u00e9rences\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: R\u00e9f\u00e9rences\" data-aria_expanded=\"Click to collapse: R\u00e9f\u00e9rences\">R\u00e9f\u00e9rences<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-3' aria-labelledby='toggle-toggle-id-3' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><ol>\n<li><a href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0022202X15445518\">Briggaman A, Wheeler C. The epidermal-dermal junction. Journal of Investigative Dermatology 65.1 (1975): 71-84. Web. 08 June 2017.<\/a><\/li>\n<li><a href=\"http:\/\/www.iiste.org\/Journals\/index.php\/FSQM\/article\/viewFile\/17617\/17507\">Gemede H. \u201cNutritional quality and health benefits of okra (Abelmoschus esculentus): a review.\u201d Journal of food processing and technology 06.06 (2015): n. Pag. Web. 9 June 2017.<\/a><\/li>\n<li><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/14595575\">Aburjai T, Natsheh F. \u201cPlants used in cosmetics.\u201d Phytotherapy Research 17.9 (2003): 987-1000. Web. 009 June 2017.<\/a><\/li>\n<li><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/18306855\">Draelos ZD.\u00a0 Cutis 81.1 (2008): 87-89. Web. 09 June 2017.<\/a><\/li>\n<li>Mylonas C, Kouretas D. 1999. Lipid peroxidation and tissue damage. In Vivo 13(3): 295-309. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/10459507\">https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/10459507<\/a><\/li>\n<li>Jadoon S, et al. 2015. Ox Med Cell Long 709628: 17 pages [page numbers not noted]. <a href=\"https:\/\/www.hindawi.com\/journals\/omcl\/2015\/709628\/abs\/\">https:\/\/www.hindawi.com\/journals\/omcl\/2015\/709628\/abs\/<\/a><\/li>\n<li>Nassiri-Asl M, Hosseinzadeh H. 2016. Review of the Pharmacological Effects of <em>Vitis vinifera<\/em> (Grape) and its Bioactive Constituents: An Update. Phytoth Res 30(9): 1392-1403. <a href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/ptr.5644\/full\">http:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/ptr.5644\/full<\/a><\/li>\n<li>Baumann LS. Less-known botanical cosmeceuticals. <em>Dermatologic Therapy<\/em>. 2007;20(5):330\u2013342. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/18045358\">https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/18045358<\/a><\/li>\n<li>Pownali T, Udenigwe C, Aluko R. 2010. Amino Acid Composition and Antioxidant Properties of Pea Seed (<em>Pisum sativum<\/em> L.) Enzymatic Protein Hydrolysate Fractions. J Agric Food Chem 58(8): 4712-4718. <a href=\"http:\/\/pubs.acs.org\/doi\/abs\/10.1021\/jf904456r\">http:\/\/pubs.acs.org\/doi\/abs\/10.1021\/jf904456r<\/a><\/li>\n<li>Pittayapruek P, et al. 2016. Role of Matrix Metalloproteinases in Photoaging. Int J Mol Sci 17(6): 868. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4926402\/\">https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4926402\/<\/a><\/li>\n<li>Meissner M, et al. 2011. AP1-dependent repression of TGF\u03b1-mediated MMP9 upregulation by PPAR\u03b4 agonists in keratinocytes. Exp Derm 20(5): 425-429. <a href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/j.1600-0625.2011.01253.x\/full\">http:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/j.1600-0625.2011.01253.x\/full<\/a><\/li>\n<li>P\u00e9rez-S\u00e1nchez A, et al. 2016. J Dermatol Sci 84(2): 169-177. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/27528586\">https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/27528586<\/a><\/li>\n<li>Miroliaei M, Khazaei S, Moshkelgosha S, Shirvani M. 2011. Inhibitory effects of Lemon balm (<em>Melissa officinalis<\/em>, L.) extract on the formation of advanced glycation end products. Food Chem 129(2): 267-271. <a href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0308814611005887\">http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0308814611005887<\/a><\/li>\n<li>Jariapamornkoon N, Yibchok-anun S, Adisakwattana S. 2013. Inhibition of advanced glycation end products by red grape skin extract and its antioxidant activity. BMC Complement Altern Med 13: 171. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3716656\/\">https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3716656\/<\/a><\/li>\n<li>Jo H, et al. Synthesis and biological evaluation of caffeic acid derivatives as potent inhibitors of \u03b1-MSH-stimulated melanogenesis. Bioorg Med Chem Lett 27(15): 3374-3377. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/28619537\">https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/28619537<\/a><\/li>\n<li>Chang T. 2009. An Updated Review of Tyrosinase Inhibitors. Int J Mol Sci 10(6): 2440-2475. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2705500\/\">https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2705500\/<\/a><\/li>\n<li>Binic I, et al. 2013. Skin Ageing: Natural Weapons and Strategies. Evid Based Complement Alternat Med 2013: 827248. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3569896\/#B29\">https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3569896\/#B29<\/a><\/li>\n<li>Farris P. 2015. Dermatology Times. Resveratrol, the longevity molecule [Internet] [accessed 12 Dec 2017] Available at <a href=\"http:\/\/dermatologytimes.modernmedicine.com\/dermatology-times\/news\/resveratrol-longevity-molecule?page=full\">http:\/\/dermatologytimes.modernmedicine.com\/dermatology-times\/news\/resveratrol-longevity-molecule?page=full<\/a><\/li>\n<li>Shi J, Yu J, Pohorly JE, Kakuda Y. 2003. Polyphenolics in grape seeds-biochemistry and functionality. J Med Food 6(4): 291-9. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/14977436\">https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/14977436<\/a><\/li>\n<li>Zi SX, et al. 2009. Oligomeric proanthocyanidins from grape seeds effectively inhibit ultraviolet-induced melanogenesis of human melanocytes in vitro. Int J Mol Med 23(2): 197-204. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/19148543\">https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/19148543<\/a><\/li>\n<li>Cornaghi L, et al. Effects of UV Rays and Thymol\/<em>Thymus vulgaris<\/em> L. Extract in an ex vivo Human Skin Model: Morphological and Genotoxicological Assessment. Cells Tissues Organs 201(3): 180-192. \u00a0<a href=\"https:\/\/www.karger.com\/Article\/Abstract\/444361\">https:\/\/www.karger.com\/Article\/Abstract\/444361<\/a><\/li>\n<li>Cal\u00f2 R, Visone C, Marabni L. Thymol and <em>Thymus Vulgaris<\/em> L. activity against UVA- and UVB-induced damage in NCTC 2544 cell line. Mut Res\/Gen Tox Env Mut 791: 30-37. <a href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S1383571815001990\">http:\/\/www.sciencedirect.com\/science\/article\/pii\/S1383571815001990<\/a><\/li>\n<li>Velijkovic I. The Dermatologist. Mitochondria and the Skin [Internet] [accessed 13 Dec 2017] Available at <a href=\"https:\/\/www.the-dermatologist.com\/content\/mitochondria-and-skin\">https:\/\/www.the-dermatologist.com\/content\/mitochondria-and-skin<\/a><\/li>\n<li>Zielinska A, Nowak I. 2017. Abundance of active ingredients in sea-buckthorn oil. Lip Health Dis 16: 95. <a href=\"https:\/\/lipidworld.biomedcentral.com\/articles\/10.1186\/s12944-017-0469-7\">https:\/\/lipidworld.biomedcentral.com\/articles\/10.1186\/s12944-017-0469-7<\/a><\/li>\n<li>Telang P. 2013. Vitamin C in dermatology. Indian Dermatol Online 4(2): 143-146. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3673383\/\">https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3673383\/<\/a><\/li>\n<\/ol>\n<\/div><\/div><\/div><\/section>\n<\/div>\n<div  class='hr av-5dnhbai-34e804f6a42f088e3f51b455cfc8c257 hr-default  avia-builder-el-19  el_after_av_toggle_container  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4rm32ju-6dc4e02f0a806b8f858ada5adb8790a8\">\n#top .av_textblock_section.av-4rm32ju-6dc4e02f0a806b8f858ada5adb8790a8 .avia_textblock{\nfont-size:28px;\n}\n<\/style>\n<section  class='av_textblock_section av-4rm32ju-6dc4e02f0a806b8f858ada5adb8790a8 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\">D&#8217;autres lectures int\u00e9ressantes<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4imuu8a-6a7878587820304526a67a1ac39a6522\">\n.flex_column.av-4imuu8a-6a7878587820304526a67a1ac39a6522{\nborder-radius:0px 0px 0px 0px;\npadding:10px 10px 10px 10px;\n}\n<\/style>\n<div  class='flex_column av-4imuu8a-6a7878587820304526a67a1ac39a6522 av_one_third  avia-builder-el-21  el_after_av_textblock  el_before_av_one_third  first flex_column_div  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-41w3le2-d21a7f9b68dd05bc1292116ccabe3ed2\">\n.avia-image-container.av-41w3le2-d21a7f9b68dd05bc1292116ccabe3ed2 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-41w3le2-d21a7f9b68dd05bc1292116ccabe3ed2 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-41w3le2-d21a7f9b68dd05bc1292116ccabe3ed2 av-styling- av-img-linked avia-align-center  avia-builder-el-22  el_before_av_textblock  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/askthescientists.com\/fr\/science-of-skincare\/\" class='avia_image '  aria-label='face moisturizer skincare'><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-60994 avia-img-lazy-loading-not-60994 avia_image ' src=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/AdobeStock_101646-300x225.jpeg\" alt='' title='face moisturizer skincare'  height=\"225\" width=\"300\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/AdobeStock_101646-300x225.jpeg 300w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/AdobeStock_101646-768x576.jpeg 768w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/AdobeStock_101646-1030x773.jpeg 1030w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/AdobeStock_101646-1500x1125.jpeg 1500w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/AdobeStock_101646-705x529.jpeg 705w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/AdobeStock_101646-450x338.jpeg 450w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/AdobeStock_101646.jpeg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-3c2hdfu-a6872da1edb18fc06c4878c8a8ecdab9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"text-align: center;\"><strong>Le fondement scientifique des soins de la peau<\/strong><\/p>\n<p style=\"text-align: left;\">L&#8217;aspect scientifique de la peau et des soins cutan\u00e9s appropri\u00e9s sera mieux compris avec un aper\u00e7u explicatif de l&#8217;anatomie et de la physiologie de la peau.<\/p>\n<p style=\"text-align: center;\"><a class=\"btn btn-blue\" href=\"https:\/\/askthescientists.com\/fr\/science-of-skincare\/\">Lire maintenant<\/a><\/p>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2u26gtm-b330d0d9f1c48d7a1af085dbf15ecafa\">\n.flex_column.av-2u26gtm-b330d0d9f1c48d7a1af085dbf15ecafa{\nborder-radius:0px 0px 0px 0px;\npadding:10px 10px 10px 10px;\n}\n<\/style>\n<div  class='flex_column av-2u26gtm-b330d0d9f1c48d7a1af085dbf15ecafa av_one_third  avia-builder-el-24  el_after_av_one_third  el_before_av_one_third  flex_column_div  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2qwp8x6-b3ea7bb3a530d03c5c5a18c0003b6d93\">\n.avia-image-container.av-2qwp8x6-b3ea7bb3a530d03c5c5a18c0003b6d93 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-2qwp8x6-b3ea7bb3a530d03c5c5a18c0003b6d93 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-2qwp8x6-b3ea7bb3a530d03c5c5a18c0003b6d93 av-styling- av-img-linked avia-align-center  avia-builder-el-25  el_before_av_textblock  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/askthescientists.com\/fr\/skin-layers\/\" class='avia_image '  aria-label='layers of the skin'><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-61008 avia-img-lazy-loading-not-61008 avia_image ' src=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/skin-layers-180x180.jpg\" alt='' title='layers of the skin'  height=\"180\" width=\"180\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/skin-layers-180x180.jpg 180w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/skin-layers-80x80.jpg 80w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/skin-layers-36x36.jpg 36w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/skin-layers-120x120.jpg 120w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/08\/skin-layers-450x450.jpg 450w\" sizes=\"(max-width: 180px) 100vw, 180px\" \/><\/a><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2a1f3vu-f1512a7cd57a0642d71a9bde2bd4828f\">\n#top .av_textblock_section.av-2a1f3vu-f1512a7cd57a0642d71a9bde2bd4828f .avia_textblock{\ncolor:#000000;\n}\n<\/style>\n<section  class='av_textblock_section av-2a1f3vu-f1512a7cd57a0642d71a9bde2bd4828f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"text-align: center;\"><strong>Couche apr\u00e8s couche : mieux comprendre la structure de la peau<\/strong><\/p>\n<p style=\"text-align: left;\">La peau exerce plusieurs fonctions importantes dans lesquelles interviennent chacune de ses couches. La fonction premi\u00e8re de la peau consiste \u00e0 agir comme une barri\u00e8re de protection contre divers \u00e9l\u00e9ments environnementaux.<\/p>\n<p style=\"text-align: center;\"><a class=\"btn btn-blue\" href=\"https:\/\/askthescientists.com\/fr\/skin-layers\/\">Lire maintenant<\/a><\/p>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1rn8sve-2078b40f49027ade93f451414b737fa5\">\n.flex_column.av-1rn8sve-2078b40f49027ade93f451414b737fa5{\nborder-radius:0px 0px 0px 0px;\npadding:10px 10px 10px 10px;\n}\n<\/style>\n<div  class='flex_column av-1rn8sve-2078b40f49027ade93f451414b737fa5 av_one_third  avia-builder-el-27  el_after_av_one_third  avia-builder-el-last  flex_column_div  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-zd7pl6-511deab1cb695529d11261d776d00fca\">\n.avia-image-container.av-zd7pl6-511deab1cb695529d11261d776d00fca img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-zd7pl6-511deab1cb695529d11261d776d00fca .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-zd7pl6-511deab1cb695529d11261d776d00fca av-styling- av-img-linked avia-align-center  avia-builder-el-28  el_before_av_textblock  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/askthescientists.com\/fr\/qa\/what-is-cell-signaling\/\" class='avia_image '  aria-label='human cells'><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-61261 avia-img-lazy-loading-not-61261 avia_image ' src=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/10\/AdobeStock_53380992-400x320.jpeg\" alt='' title='human cells'  height=\"320\" width=\"400\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/10\/AdobeStock_53380992-400x320.jpeg 400w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/10\/AdobeStock_53380992-768x614.jpeg 768w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/10\/AdobeStock_53380992-835x668.jpeg 835w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/10\/AdobeStock_53380992-705x564.jpeg 705w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/10\/AdobeStock_53380992-450x360.jpeg 450w, https:\/\/askthescientists.com\/wp-content\/uploads\/2017\/10\/AdobeStock_53380992.jpeg 1200w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-qky91m-e78617776e88f19a3a5e990a2d7278da\">\n#top .av_textblock_section.av-qky91m-e78617776e88f19a3a5e990a2d7278da .avia_textblock{\ncolor:#000000;\n}\n<\/style>\n<section  class='av_textblock_section av-qky91m-e78617776e88f19a3a5e990a2d7278da '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"text-align: center;\"><strong>La signalisation cellulaire : comment les cellules communiquent entre elles<\/strong><\/p>\n<p>L&#8217;organisme remplit sans rel\u00e2che des t\u00e2ches complexes. Que ce soit pour maintenir la temp\u00e9rature corporelle ou \u00e9loigner nos mains d&#8217;une surface br\u00fblante, des milliards de cellules \u00e9tablissent entre elles la communication n\u00e9cessaire \u00e0 notre fonctionnement.<\/p>\n<p style=\"text-align: center;\"><a class=\"btn btn-blue\" href=\"https:\/\/askthescientists.com\/fr\/qa\/what-is-cell-signaling\/\">Lire maintenant<\/a><\/p>\n<\/div><\/section><\/p><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":10897,"featured_media":76022,"menu_order":0,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"qa-category":[],"qa-tag":[20777],"class_list":["post-10922","qa","type-qa","status-publish","format-standard","has-post-thumbnail","hentry","qa-tag-skin-care"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>S\u00e9rum Vitalit\u00e9 Celavive d&#039;USANA - Ask The Scientists<\/title>\n<meta name=\"description\" content=\"Pr\u00e9parez-vous \u00e0 r\u00e9v\u00e9ler l&#039;\u00e9clat de jeunesse de votre peau. 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