{"id":15706,"date":"2019-10-14T21:50:37","date_gmt":"2019-10-14T21:50:37","guid":{"rendered":"https:\/\/www.humnutrition.com\/blog\/?p=15706"},"modified":"2020-09-16T19:32:01","modified_gmt":"2020-09-16T19:32:01","slug":"skin-barrier","status":"publish","type":"post","link":"https:\/\/www.humnutrition.com\/blog\/skin-barrier\/","title":{"rendered":"Here&#8217;s the Deal with Your Skin Barrier"},"content":{"rendered":"As an aspiring skincare savant, I&#8217;m on a journey to learn the ins and outs of all things topical (pun intended). The trending subject of the skin barrier, however, has been a bit of a head-scratcher. To better understand what it is and how its strength is integral to a healthy complexion, I asked Los Angeles dermatologist <a href=\"https:\/\/www.drjessicawu.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jessica Wu, MD<\/a>, for her expert insight.\r\n<h2>What is the skin barrier?<\/h2>\r\n&#8220;Your skin barrier is the outer protective layer [of the epidermis] that holds in water and minerals and keeps out harmful bacteria, fungi, and toxins,&#8221; Dr. Wu explains. &#8220;It\u2019s made of layers of skin cells arranged in a brick-and-mortar pattern. The cells (bricks) are glued together by three kinds of <a href=\"https:\/\/www.humnutrition.com\/blog\/healthy-fats-list\/\">healthy fats<\/a> called <a href=\"https:\/\/www.humnutrition.com\/blog\/triglycerides\/\" target=\"_blank\" rel=\"noopener noreferrer\">lipids<\/a>: cholesterol, fatty acids, and ceramides (mortar).&#8221;\r\n\r\nWhile researching the skin barrier, I came across a handful of associated terms that sounded pretty important yet went way over my head. (Full disclosure: I was the lowest-graded student in my high school science classes, so this cognitive roadblock came as no surprise.) Thankfully, Dr. Wu was kind enough to elucidate some of these key terms:\r\n<h3>Acid Mantle<\/h3>\r\n&#8220;The acid mantle is a layer of skin oils (sebum) mixed with sweat that sits on top of the skin cells. It exists outside of the barrier and has a slightly acidic pH level.&#8221; When strong and healthy, the acid mantle acts as a protective, built-in shield.\r\n<h3>Lipid Matrix<\/h3>\r\nIn this context, the word matrix is &#8220;sometimes used to refer to the network of lipids that hold the cells in the skin barrier together.&#8221; You can think of the lipid matrix as an elevated term for the aforementioned mortar binding the skin cells.\r\n<h3>Skin Microbiome<\/h3>\r\nThe <a href=\"https:\/\/www.humnutrition.com\/blog\/skin-microbiome-test\/\">skin microbiome<\/a> &#8220;refers to the collection of microorganisms that live on your skin.&#8221; (While we&#8217;ve previously explored the <a href=\"https:\/\/www.humnutrition.com\/blog\/microbiome\/\" target=\"_blank\" rel=\"noopener noreferrer\">gut microbiome<\/a> and <a href=\"https:\/\/www.humnutrition.com\/blog\/gut-skin-axis\/\" target=\"_blank\" rel=\"noopener noreferrer\">gut-skin axis<\/a> at length, those impact your skin from the inside out. Conversely, the skin&#8217;s own microbiome exists externally. At any rate, dermatological issues can arise with altered microbial states in both spheres.)\r\n\r\nEssentially, a thriving skin microbiome will bolster your skin barrier and maintain healthy pH levels, which should range around <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/18489300\" target=\"_blank\" rel=\"noopener noreferrer\">4.5 to 5.0<\/a>.\r\n<h2>What compromises skin barrier function?<\/h2>\r\nDr. Wu says that overusing products and stripping the skin\u2014by way of harsh alkaline ingredients and aggressive scrubbing\u2014\u201ccan disrupt the barrier by removing essential barrier lipids.&#8221; She also adds that UV radiation weakens lipid layers and makes them more permeable to external aggressors.\r\n<h2>What are the tell-tale signs of skin barrier damage?<\/h2>\r\nFirst, you might have a damaged skin barrier if you&#8217;re more sensitized to skincare ingredients you&#8217;d normally be able to tolerate. Another sign is flaky skin.\r\n\r\nSince I&#8217;d recently been grappling with pesky flakes spurred by <a href=\"https:\/\/www.humnutrition.com\/blog\/dehydrated-skin\/\" target=\"_blank\" rel=\"noopener noreferrer\">dehydrated skin<\/a>, I asked Dr. Wu if this condition could indicate skin barrier damage. &#8220;Dehydrated skin is deficient in moisture, so it can look loose and dry. But a damaged barrier typically leads to <a href=\"https:\/\/www.humnutrition.com\/blog\/eczema\/\" target=\"_blank\" rel=\"noopener noreferrer\">red, itchy skin<\/a>, and maybe even infection\u2014and dehydration alone wouldn\u2019t make skin red and inflamed,&#8221; she advised. Phew!\r\n\r\nIn sum, <em>inflammatory<\/em> skin conditions and reactions\u2014<a href=\"https:\/\/www.humnutrition.com\/blog\/homemade-face-masks-for-acne\/\" target=\"_blank\" rel=\"noopener noreferrer\">acne<\/a> included\u2014are red flags signaling your skin needs extra TLC.\r\n\r\n<img data-dominant-color=\"b89f93\" data-has-transparency=\"false\" style=\"--dominant-color: #b89f93;\" decoding=\"async\" class=\"size-medium wp-image-15722 aligncenter not-transparent\" src=\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2019\/10\/Healthy-Skin-Barrier-The-Wellnest-by-HUM-Nutrition-770x513.jpg\" alt=\"Side shot of a woman with glowing skin and a healthy skin barrier\" width=\"770\" height=\"513\" \/>\r\n<h2>How to strengthen &amp; restore your skin barrier<\/h2>\r\n<h3>Forego Abrasive products<\/h3>\r\nFirst, Dr. Wu recommends avoiding alkaline soaps, which have high pH levels (8.0 and above) that <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/19467032\" target=\"_blank\" rel=\"noopener noreferrer\">&#8220;severely&#8221; disrupt <\/a>the skin barrier. Easily detectable culprits include bar soaps and other facial cleansers with <a href=\"https:\/\/www.humnutrition.com\/blog\/chemicals-in-skincare\/\" target=\"_blank\" rel=\"noopener noreferrer\">sulfates (SLS, SLES)<\/a>, a proven enemy of any <a href=\"https:\/\/www.humnutrition.com\/blog\/clean-skincare-products\/\" target=\"_blank\" rel=\"noopener noreferrer\">clean skincare regimen<\/a>.\r\n<h3>Be Gentle on Your Skin<\/h3>\r\nDr. Wu also warns against harsh scrubbing. While it may be tempting to go HAM with <a href=\"https:\/\/www.humnutrition.com\/blog\/physical-vs-chemical-exfoliation\/\" target=\"_blank\" rel=\"noopener noreferrer\">physical exfoliants<\/a>, you could end up causing new irritations or exacerbating existing damage.\r\n\r\nDon&#8217;t want to kick your exfoliating regimen to the curb? You could benefit by<span style=\"font-size: 1rem;\"> opting instead for <a href=\"https:\/\/www.humnutrition.com\/blog\/lactic-acid-best-exfoliator-for-sensitive-skin\/\" target=\"_blank\" rel=\"noopener noreferrer\">gentler <\/a><\/span>chemical exfoliants<span style=\"font-size: 1rem;\">. Furthermore, always pat (rather than rub) your skin dry after cleansing and showering.<\/span>\r\n<h3>Use replenishing Ingredients<\/h3>\r\nThe final step, she concludes, is using <a href=\"https:\/\/www.humnutrition.com\/blog\/mighty-night\/\" target=\"_blank\" rel=\"noopener noreferrer\">products with ceramides<\/a> and lipids for skin barrier repair and replenishment.\r\n\r\nThankfully, you don&#8217;t typically have to wait very long to notice positive results. &#8220;If the compromise is mild, you could see a difference in a day or two,&#8221; Dr. Wu explains. &#8220;If it&#8217;s more significant, however, it could take a month, which is the lifespan of a skin cell.&#8221;\n<div  class=\"products-block -mx-4 md:mx-0 my-10\">\n\t\t\t\t<a href=\"https:\/\/www.humnutrition.com\/product\/50\/mighty-night\" class=\"text-xs text-dark hover:!text-dark flex items-center border border-light rounded p-4 group !no-underline mb-4 relative pb-16 sm:pb-4\">\n\t\t\t\t<div class=\"shrink-0 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.711.219.872.563z\"\/><\/svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg class=\"mr-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"17\" height=\"16\"><path d=\"m11.532 4.697 4.353.663c.36.053.664.316.828.64.066.397 0 .791-.288 1.06l-3.157 3.193.745 4.581a1.01 1.01 0 0 1-.39.978c-.3.188-.698.25-1.022.072l-3.888-2.14-3.889 2.14c-.327.178-.724.116-1.024-.072a1.008 1.008 0 0 1-.388-.978l.745-4.581L1 7.06C.713 6.79.646 6.397.713 6c.162-.324.464-.587.827-.64l4.35-.663L7.842.563c.16-.344.5-.563.87-.563.372 0 .711.219.872.563z\"\/><\/svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg class=\"mr-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"17\" height=\"16\"><path d=\"m11.532 4.697 4.353.663c.36.053.664.316.828.64.066.397 0 .791-.288 1.06l-3.157 3.193.745 4.581a1.01 1.01 0 0 1-.39.978c-.3.188-.698.25-1.022.072l-3.888-2.14-3.889 2.14c-.327.178-.724.116-1.024-.072a1.008 1.008 0 0 1-.388-.978l.745-4.581L1 7.06C.713 6.79.646 6.397.713 6c.162-.324.464-.587.827-.64l4.35-.663L7.842.563c.16-.344.5-.563.87-.563.372 0 .711.219.872.563z\"\/><\/svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg class=\"mr-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"17\" height=\"16\"><path d=\"m11.532 4.697 4.353.663c.36.053.664.316.828.64.066.397 0 .791-.288 1.06l-3.157 3.193.745 4.581a1.01 1.01 0 0 1-.39.978c-.3.188-.698.25-1.022.072l-3.888-2.14-3.889 2.14c-.327.178-.724.116-1.024-.072a1.008 1.008 0 0 1-.388-.978l.745-4.581L1 7.06C.713 6.79.646 6.397.713 6c.162-.324.464-.587.827-.64l4.35-.663L7.842.563c.16-.344.5-.563.87-.563.372 0 .711.219.872.563z\"\/><\/svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg class=\"mr-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"17\" height=\"16\"><path d=\"m8.713 3 1.54 3.61 3.46.58L11.207 10l.588 4-3.082-1.878zm4.555 7.253 3.157-3.193c.288-.269.354-.663.288-1.06-.164-.324-.467-.587-.828-.64l-4.353-.663L9.584.562A.965.965 0 0 0 8.713 0a.965.965 0 0 0-.871.562L5.89 4.697l-4.35.663c-.363.053-.665.316-.827.64-.067.397 0 .791.287 1.06l3.157 3.193-.745 4.581a1.01 1.01 0 0 0 .388.978c.3.188.697.25 1.024.072l3.889-2.14 3.888 2.14c.324.178.721.116 1.021-.072a1.01 1.01 0 0 0 .391-.978z\"\/><\/svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t4.8\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"pt-1 sm:pl-2 text-medium\">\n\t\t\t\t\t\t\t691 Reviews\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"text-base font-semibold mb-1 group-hover:text-primary\">Mighty Night<\/div>\n\t\t\t\t\t<div class=\"mb-2\">\n\t\t\t\t\t\tnighttime skin cell renewal\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"absolute bottom-4 left-4 right-4 sm:bottom-0 sm:left-0 sm:right-0 sm:relative inline-flex justify-center bg-primary group-hover:bg-primary-light text-white rounded py-3 px-12 leading-none text-center\">\n\t\t\t\t\t\t<span class=\"pr-1.5 border-r border-primary-lightest\">$40<\/span><span class=\"pl-1.5\">SHOP NOW<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"self-start\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t<\/div>\n","protected":false},"excerpt":{"rendered":"<p>As an aspiring skincare savant, I&#8217;m on a journey to learn the ins and outs of all things topical (pun intended). The trending subject of the skin barrier, however, has been a bit of a head-scratcher. To better understand what it is and how its strength is integral to a healthy complexion, I asked Los [&hellip;]<\/p>\n","protected":false},"author":33,"featured_media":15720,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_toc_level":"h2","_toc_min":2,"footnotes":""},"categories":[835,839],"tags":[2787,372,697,2773,909,1586],"coauthors":[],"class_list":["post-15706","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-skin","category-tips","tag-ceramides","tag-exfoliation","tag-inflammation","tag-lipids","tag-microbiome","tag-skin-barrier"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Here&#039;s the Deal with Your Skin Barrier | HUM Nutrition Blog<\/title>\n<meta name=\"description\" content=\"The topic of the skin barrier has been trending as of late. But what is it, and why should you make sure to strengthen yours? A derm advises.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.humnutrition.com\/blog\/skin-barrier\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Here&#039;s the Deal with Your Skin Barrier\" \/>\n<meta property=\"og:description\" content=\"The topic of the skin barrier has been trending as of late. But what is it, and why should you make sure to strengthen yours? A derm advises.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.humnutrition.com\/blog\/skin-barrier\/\" \/>\n<meta property=\"og:site_name\" content=\"HUM Nutrition Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/humnutrition\" \/>\n<meta property=\"article:published_time\" content=\"2019-10-14T21:50:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-09-16T19:32:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2019\/10\/Skin-Barrier-The-Wellnest-by-HUM-Nutrition.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1440\" \/>\n\t<meta property=\"og:image:height\" content=\"670\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Michele Ross\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@HUMnutrition\" \/>\n<meta name=\"twitter:site\" content=\"@HUMnutrition\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Michele Ross\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.humnutrition.com\/blog\/skin-barrier\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/skin-barrier\/\"},\"author\":{\"name\":\"Michele Ross\",\"@id\":\"https:\/\/www.humnutrition.com\/blog\/#\/schema\/person\/d79498fadfaa639549131f36c0301585\"},\"headline\":\"Here&#8217;s the Deal with Your Skin Barrier\",\"datePublished\":\"2019-10-14T21:50:37+00:00\",\"dateModified\":\"2020-09-16T19:32:01+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/skin-barrier\/\"},\"wordCount\":733,\"publisher\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/skin-barrier\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2019\/10\/Skin-Barrier-The-Wellnest-by-HUM-Nutrition-jpg.webp\",\"keywords\":[\"Ceramides\",\"exfoliation\",\"inflammation\",\"Lipids\",\"Microbiome\",\"Skin Barrier\"],\"articleSection\":[\"Skin\",\"Tips\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.humnutrition.com\/blog\/skin-barrier\/\",\"url\":\"https:\/\/www.humnutrition.com\/blog\/skin-barrier\/\",\"name\":\"Here's the Deal with Your Skin Barrier | HUM Nutrition Blog\",\"isPartOf\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/skin-barrier\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.humnutrition.com\/blog\/skin-barrier\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.humnutrition.com\/blog\/wp-content\/uploads\/2019\/10\/Skin-Barrier-The-Wellnest-by-HUM-Nutrition-jpg.webp\",\"datePublished\":\"2019-10-14T21:50:37+00:00\",\"dateModified\":\"2020-09-16T19:32:01+00:00\",\"description\":\"The topic of the skin barrier has been trending as of late. 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