{"id":34855,"date":"2022-01-26T17:59:00","date_gmt":"2022-01-26T16:59:00","guid":{"rendered":"https:\/\/medi-login.com\/?p=34855"},"modified":"2022-03-15T17:26:39","modified_gmt":"2022-03-15T16:26:39","slug":"retinol","status":"publish","type":"post","link":"https:\/\/medi-login.com\/en\/blog\/retinol\/","title":{"rendered":"How does retinol work?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"34855\" class=\"elementor elementor-34855\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b68da4b elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"b68da4b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4c97365\" data-id=\"4c97365\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-837f22b elementor-widget elementor-widget-image\" data-id=\"837f22b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 15-07-2024 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1920\" height=\"400\" src=\"https:\/\/medi-login.com\/wp-content\/uploads\/2022\/01\/Retinol.png\" class=\"attachment-full size-full wp-image-34869\" alt=\"\" srcset=\"https:\/\/medi-login.com\/wp-content\/uploads\/2022\/01\/Retinol.png 1920w, https:\/\/medi-login.com\/wp-content\/uploads\/2022\/01\/Retinol-300x63.png 300w, https:\/\/medi-login.com\/wp-content\/uploads\/2022\/01\/Retinol-1024x213.png 1024w, https:\/\/medi-login.com\/wp-content\/uploads\/2022\/01\/Retinol-768x160.png 768w, https:\/\/medi-login.com\/wp-content\/uploads\/2022\/01\/Retinol-1536x320.png 1536w, https:\/\/medi-login.com\/wp-content\/uploads\/2022\/01\/Retinol-600x125.png 600w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>\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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6058cca elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6058cca\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-87674af\" data-id=\"87674af\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1834e95 elementor-widget elementor-widget-text-editor\" data-id=\"1834e95\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 15-07-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>Some of the most commonly used antioxidants come from the substance class of vitamins. One of the most important used in cosmetic dermatology is retinol.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f7bd202 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f7bd202\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-b7e8b61\" data-id=\"b7e8b61\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-185ffbe elementor-widget elementor-widget-heading\" data-id=\"185ffbe\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 15-07-2024 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">What is retinol?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-98681a4 elementor-widget elementor-widget-text-editor\" data-id=\"98681a4\" data-element_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<p>It is often equated with vitamin A. However, vitamin A represents a group of substances, so that the correct term for retinol is actually vitamin A<sub>1<\/sub>. It was first discovered in 1913 by Elmer McCollum and Marguerite Davis.<\/p><p>They described it as a fat-soluble vitamin and demonstrated its importance as an antixerophthalmic factor (1). Twenty years later, Paul Karrer successfully isolated retinol from fish liver oil.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f854977 elementor-widget elementor-widget-heading\" data-id=\"f854977\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">History<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51e39a0 elementor-widget elementor-widget-text-editor\" data-id=\"51e39a0\" data-element_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<p>Many years ago, after treating acne patients with retinoids, clinicians noted a reduction in the appearance of skin lines, which subsequently led to the increased use of vitamin A derivatives.<\/p><p>Currently, retinol represents one of the most commonly used substances in anti-aging preparations. It is listed in the 20<sup>th<\/sup> edition of the World Health Organization&#8217;s List of Essential Medicines, where the most effective and safe medicines needed in a health system are included (2).<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77605a1 elementor-widget elementor-widget-heading\" data-id=\"77605a1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How does retinol work?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-96c7702 elementor-widget elementor-widget-text-editor\" data-id=\"96c7702\" data-element_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<p>Although this substance group is one of the longest used and best-studied anti-aging agents in cosmetic dermatology, its precise mechanism of action has not yet been fully elucidated.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c806c4e elementor-widget elementor-widget-heading\" data-id=\"c806c4e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Stimulation of the collagen metabolism<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9eea70 elementor-widget elementor-widget-text-editor\" data-id=\"b9eea70\" data-element_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<p>Scientifically well documented, however, are the positive effects on collagen metabolism. Collagen is the main structural protein in various connective tissues in the body. It is one of the body\u2019s key natural resources and a component of skin tissue that can positively influence wound healing. Studies on topical application show that retinol, as well as retinoic acid, can induce collagen synthesis (3).<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b76a4d2 elementor-widget elementor-widget-heading\" data-id=\"b76a4d2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Wrinkle effacement<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b01b9a elementor-widget elementor-widget-text-editor\" data-id=\"8b01b9a\" data-element_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<p>In a randomized, double-blind, vehicle-controlled, left and right arm comparison study, the application of a 0,4% retinol lotion showed a significant induction of glycosaminoglycan, a substance known to retain substantial amounts of water, as well as an increase in collagen production. These effects are most likely responsible for the previously noted wrinkle effacement (4).<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e0147a3 elementor-widget elementor-widget-heading\" data-id=\"e0147a3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Advantages for the skin<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff23054 elementor-widget elementor-widget-text-editor\" data-id=\"ff23054\" data-element_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<p>In further <em>in vivo <\/em>studies (tested on humans), remarkable changes in the mechanical properties of the skin could be found after the application of retinol. Epidermal keratinocytes, the cells of our upper layer of the skin, grew and regenerated faster.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-083e892 elementor-widget elementor-widget-heading\" data-id=\"083e892\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Anti-aging-effect<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5bf028 elementor-widget elementor-widget-text-editor\" data-id=\"d5bf028\" data-element_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<p>In addition, dermal endothelial cells and fibroblasts, cells that stimulate the production of type I collagen and other important substances like fibronectin and elastin, were stimulated. These results were confirmed by the significant facial anti-aging effect (5,6).<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-67843b6 elementor-widget elementor-widget-heading\" data-id=\"67843b6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Attention should be paid to this during application:<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fcf4cfe elementor-widget elementor-widget-text-editor\" data-id=\"fcf4cfe\" data-element_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<p>Nevertheless, a high volume-percentage of retinol can also be a challenge for robust skin. Sensitive skin should tolerate the use of preparations containing less than 0.03% retinol. However, blemishes, dryness, flakiness, redness, tingling, stinging, burning, desquamation, and solar sensitivity may appear on sensitive skin.<\/p><p>These symptoms often result in limited utility of the products, as well as decreased adherence, due to irritation reactions (7).<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37baa20 elementor-widget elementor-widget-heading\" data-id=\"37baa20\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Retinol during pregnancy<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71ceac3 elementor-widget elementor-widget-text-editor\" data-id=\"71ceac3\" data-element_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<p>Pregnant and lactating women should not use preparations containing retinoids due to their teratogenicity, although the risk from the use of topical preparations is extremely low compared to systemic intake (8).<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b6a5db elementor-widget elementor-widget-heading\" data-id=\"0b6a5db\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee4c570 elementor-widget elementor-widget-text-editor\" data-id=\"ee4c570\" data-element_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<p>In conclusion, irritating agents shouldn\u2019t be used in daily skin care, especially given the large diversity of other non-irritating anti-aging ingredients. If products with retinol are used, it is best to start with an application of three times per week, gradually increasing the dosage and frequency as needed.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-76ef57c\" data-id=\"76ef57c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-025b441 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"025b441\" data-element_type=\"widget\" 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.elementor-toc__list-wrapper{margin-top:.5em;margin-inline-start:var(--nested-list-indent,1em)}.elementor-toc__list-item-text{transition-duration:var(--item-text-transition-duration)}.elementor-toc__list-item-text:hover{color:var(--item-text-hover-color);-webkit-text-decoration:var(--item-text-hover-decoration);text-decoration:var(--item-text-hover-decoration)}.elementor-toc__list-item-text.elementor-item-active{color:var(--item-text-active-color);-webkit-text-decoration:var(--item-text-active-decoration);text-decoration:var(--item-text-active-decoration)}.elementor-toc__list-item-text-wrapper{display:flex;align-items:center}.elementor-toc__list-item-text-wrapper:before,.elementor-toc__list-item-text-wrapper i{margin-inline-end:8px;color:var(--marker-color)}.elementor-toc__list-item-text-wrapper svg{margin-inline-end:8px;fill:var(--marker-color);height:var(--marker-size,.5em);width:var(--marker-size,.5em)}.elementor-toc__list-item-text-wrapper i{font-size:var(--marker-size,.5em)}.elementor-toc__list-item-text-wrapper:before{font-size:var(--marker-size,1em)}.elementor-toc--content-ellipsis .elementor-toc__list-item-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.elementor-toc__list-items--collapsible>.elementor-toc__list-wrapper>.elementor-toc__list-item>.elementor-toc__list-wrapper{display:none}.elementor-toc__heading-anchor{position:absolute}.elementor-toc__body .elementor-toc__list-item-text{color:var(--item-text-color);-webkit-text-decoration:var(--item-text-decoration);text-decoration:var(--item-text-decoration);transition-duration:var(--item-text-transition-duration)}.elementor-toc__body .elementor-toc__list-item-text:hover{color:var(--item-text-hover-color);-webkit-text-decoration:var(--item-text-hover-decoration);text-decoration:var(--item-text-hover-decoration)}.elementor-toc__body .elementor-toc__list-item-text.elementor-item-active{color:var(--item-text-active-color);-webkit-text-decoration:var(--item-text-active-decoration);text-decoration:var(--item-text-active-decoration)}ol.elementor-toc__list-wrapper{counter-reset:item}ol.elementor-toc__list-wrapper .elementor-toc__list-item{counter-increment:item}ol.elementor-toc__list-wrapper .elementor-toc__list-item-text-wrapper:before{content:counters(item,\".\") \". \"}<\/style>\t\t<div class=\"elementor-toc__header\">\n\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h4>\n\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__025b441\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" 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format-standard has-post-thumbnail hentry category-blog\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/medi-login.com\/blog\/lipolyse-zum-abnehmen\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img decoding=\"async\" width=\"520\" height=\"320\" src=\"https:\/\/medi-login.com\/wp-content\/uploads\/2024\/04\/Lipolyse-Beitrag-1.png\" class=\"attachment-medium_large size-medium_large wp-image-76612\" alt=\"\" srcset=\"https:\/\/medi-login.com\/wp-content\/uploads\/2024\/04\/Lipolyse-Beitrag-1.png 520w, https:\/\/medi-login.com\/wp-content\/uploads\/2024\/04\/Lipolyse-Beitrag-1-300x185.png 300w\" sizes=\"(max-width: 520px) 100vw, 520px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<p class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/medi-login.com\/blog\/lipolyse-zum-abnehmen\/\" >\n\t\t\t\tAbnehmen durch Injektionslipolyse?\t\t\t<\/a>\n\t\t<\/p>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Die Injektionslipoyse ist eine beliebte Behandlung in der \u00e4sthetischen Medizin, welche zur gezielten Beseitigung kleiner bis mittlerer Fettp\u00f6lsterchen angewandt&#8230;<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/medi-login.com\/blog\/lipolyse-zum-abnehmen\/\" aria-label=\"Read more about Abnehmen durch Injektionslipolyse?\" tabindex=\"-1\" >\n\t\t\tWeiterlesen \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-21866 post type-post status-publish format-standard has-post-thumbnail hentry category-blog-en category-en\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/medi-login.com\/en\/blog\/curcuma\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img decoding=\"async\" width=\"520\" height=\"320\" src=\"https:\/\/medi-login.com\/wp-content\/uploads\/2021\/07\/Kurkuma-KLEIN-1.png\" class=\"attachment-medium_large size-medium_large wp-image-21184\" alt=\"\" srcset=\"https:\/\/medi-login.com\/wp-content\/uploads\/2021\/07\/Kurkuma-KLEIN-1.png 520w, https:\/\/medi-login.com\/wp-content\/uploads\/2021\/07\/Kurkuma-KLEIN-1-300x185.png 300w\" sizes=\"(max-width: 520px) 100vw, 520px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<p class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/medi-login.com\/en\/blog\/curcuma\/\" >\n\t\t\t\tAdvantages of curcuma\t\t\t<\/a>\n\t\t<\/p>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Antioxidants aid in the prevention of the development of chronic diseases. Common examples include compounds derived specifically from plants&#8230;<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/medi-login.com\/en\/blog\/curcuma\/\" aria-label=\"Read more about Advantages of curcuma\" tabindex=\"-1\" >\n\t\t\tWeiterlesen \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-59313 post type-post status-publish format-standard has-post-thumbnail hentry category-blog\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/medi-login.com\/blog\/honorar-arzt-aethetische-medizin\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"520\" height=\"320\" src=\"https:\/\/medi-login.com\/wp-content\/uploads\/2022\/09\/Blog-Honorar-Aerzte-Beitrag.png\" class=\"attachment-medium_large size-medium_large wp-image-76395\" alt=\"\" srcset=\"https:\/\/medi-login.com\/wp-content\/uploads\/2022\/09\/Blog-Honorar-Aerzte-Beitrag.png 520w, https:\/\/medi-login.com\/wp-content\/uploads\/2022\/09\/Blog-Honorar-Aerzte-Beitrag-300x185.png 300w\" sizes=\"(max-width: 520px) 100vw, 520px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<p class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/medi-login.com\/blog\/honorar-arzt-aethetische-medizin\/\" >\n\t\t\t\t\u00c4rztliches Honorar in der \u00c4sthetik\t\t\t<\/a>\n\t\t<\/p>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Da es sich bei \u00e4sthetischen Behandlungen ausschlie\u00dflich um Privatleistungen handelt, sind diese auch f\u00fcr die behandelnden \u00c4rzte durchaus profitabel. Doch was ver&#8230;<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/medi-login.com\/blog\/honorar-arzt-aethetische-medizin\/\" aria-label=\"Read more about \u00c4rztliches Honorar in der \u00c4sthetik\" tabindex=\"-1\" >\n\t\t\tWeiterlesen \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t<div class=\"e-load-more-anchor\" data-page=\"1\" data-max-page=\"16\" data-next-page=\"https:\/\/medi-login.com\/en\/wp-json\/wp\/v2\/posts\/34855\/page\/2\/\"><\/div>\n\t\t\t\t<nav class=\"elementor-pagination\" aria-label=\"Pagination\">\n\t\t\t<span class=\"page-numbers prev\">\u00ab Previous <\/span>\n<span aria-current=\"page\" class=\"page-numbers current\"><span class=\"elementor-screen-only\">Page<\/span>1<\/span>\n<a class=\"page-numbers\" href=\"https:\/\/medi-login.com\/en\/wp-json\/wp\/v2\/posts\/34855\/page\/2\/\"><span class=\"elementor-screen-only\">Page<\/span>2<\/a>\n<a class=\"page-numbers\" href=\"https:\/\/medi-login.com\/en\/wp-json\/wp\/v2\/posts\/34855\/page\/3\/\"><span class=\"elementor-screen-only\">Page<\/span>3<\/a>\n<a class=\"page-numbers\" href=\"https:\/\/medi-login.com\/en\/wp-json\/wp\/v2\/posts\/34855\/page\/4\/\"><span class=\"elementor-screen-only\">Page<\/span>4<\/a>\n<a class=\"page-numbers\" href=\"https:\/\/medi-login.com\/en\/wp-json\/wp\/v2\/posts\/34855\/page\/5\/\"><span class=\"elementor-screen-only\">Page<\/span>5<\/a>\n<a class=\"page-numbers next\" href=\"https:\/\/medi-login.com\/en\/wp-json\/wp\/v2\/posts\/34855\/page\/2\/\"> Next \u00bb<\/a>\t\t<\/nav>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-493867b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"493867b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ac90c37\" data-id=\"ac90c37\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3e2f414 elementor-widget elementor-widget-spacer\" data-id=\"3e2f414\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8729451 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8729451\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d334a29\" data-id=\"d334a29\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-16a2103 elementor-widget elementor-widget-heading\" data-id=\"16a2103\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Bibliography<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0a67a8f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0a67a8f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-46ebd9e\" data-id=\"46ebd9e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-be367fc elementor-widget elementor-widget-text-editor\" data-id=\"be367fc\" data-element_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<ol>\n<li>McCollum &amp; Davis. The necessity of certain lipids during growth. J Biol Chem 2013. Bd. 15, S. 167\u2013175.<\/li>\n<li>https:\/\/www.who.int\/medicines\/publications\/essentialmedicines\/en<\/li>\n<li>Varani J, Warner RL, Gharaee-Kermani M, Phan SH, Kang S, Chung JH, Wang ZQ, Fisher GJ, Vorhees JJ (2000) Vitamin A antagonizes decreased cell growth and elevated collagen- degrading matrix metalloproteinases and stim-ulates collagen accumulation in naturally aged human skin. J Invest Dermatol 114:480\u2013486<\/li>\n<li>Kafi R, Kwak HS, Schumacher WE, Cho S, Hanft VN, Hamilton TA, King AL, Neal JD, Varani J, Fisher GJ, Voorhees JJ, Kang S (2007) Improvement of naturally aged skin with vita- min A (retinol). Arch Dermatol 143:606\u2013612<\/li>\n<li>Kong R, Cui Y, Fisher GJ, Wang X, Chen Y, Schneider LM, Majmudar G. A comparative study of the effects of retinol and retinoic acid on histological, molecular, and clinical properties of human skin. J Cosmet Dermatol. 2016 Mar;15(1):49-57.<\/li>\n<li>Shao Y, He T, Fisher GJ, Voorhees JJ, Quan T. Molecular basis of retinol anti-ageing properties in naturally aged human skin in vivo. Int J Cosmet Sci. 2017 Feb;39(1):56-65.<\/li>\n<li>McDaniel DH, Mazur C, Wortzman MS, Nelson DB. Efficacy and tolerability of a double-conjugated retinoid cream vs 1.0% retinol cream or 0.025% tretinoin cream in subjects with mild to severe photoaging. J Cosmet Dermatol. 2017 Dec;16(4):542-548.<\/li>\n<li>Jick H. Retinoids and teratogenicity. J Am Acad Dermatol. 1998 Aug;39(2 Pt 3):S118-22.<\/li>\n<\/ol>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dd6978d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dd6978d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-113c070\" data-id=\"113c070\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>One of the most important antioxidants used in cosmetic dermatology is retinol.<\/p>\n","protected":false},"author":969,"featured_media":34872,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[190,19],"tags":[],"class_list":["post-34855","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-en","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.12 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How does retinol work? 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