{"id":52459,"date":"2022-12-16T15:32:14","date_gmt":"2022-12-16T15:32:14","guid":{"rendered":"https:\/\/nailknowledge.org\/?p=52459"},"modified":"2026-06-22T12:15:27","modified_gmt":"2026-06-22T12:15:27","slug":"las-unas-lo-absorben-todo-o-nada","status":"publish","type":"post","link":"https:\/\/nailknowledge.org\/es\/blog\/do-nails-absorb-everything-or-nothing","title":{"rendered":"\u00bfLas u\u00f1as lo absorben todo o nada?"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\"><strong>The nail plate is very resistant<\/strong><\/h3>\n\n\n\n<p>The nail plate\u2019s upper layer and nail surface are very resistant and prevent most substances from absorbing at all. This is one reason why a healthy natural nail plate is a good barrier. Only water and certain naturally occurring oil-soluble substances such as squalene can penetrate easily through the nail plate.<\/p>\n\n\n\n\n\n<div class=\"wp-block-group has-background nk-grp-1\" style=\"background-color:#f0e4f5;margin-top:var(--wp--preset--spacing--60);margin-bottom:var(--wp--preset--spacing--60);padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;border-radius:10px 10px 10px 10px;overflow:hidden\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-a0fd2145 wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-large desktop-only\" style=\"margin-top:0;margin-bottom:0\"><img loading=\"eager\" fetchpriority=\"high\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-web-1024x576.webp\" alt=\"\" class=\"wp-image-171123\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-web-1024x576.webp 1024w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-web-300x169.webp 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-web-768x432.webp 768w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-web-1536x864.webp 1536w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-web-18x10.webp 18w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-web-651x366.webp 651w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-web-600x338.webp 600w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-web.webp 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large mobile-only\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-1024x1024.webp\" alt=\"\" class=\"wp-image-171124\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-1024x1024.webp 1024w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-300x300.webp 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-150x150.webp 150w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-768x768.webp 768w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-12x12.webp 12w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-75x75.webp 75w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-651x651.webp 651w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-100x100.webp 100w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths-600x600.webp 600w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/06\/newsletter-myths.webp 1254w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<iframe\n  data-src=\"https:\/\/api.leadconnectorhq.com\/widget\/form\/QlwX91ooJB32ioTrFomD?tag_category=myth_busting\"\n  id=\"inline-QlwX91ooJB32ioTrFomD\"\n  style=\"width:100%;height:226px;border:none;border-radius:8px\"\n  title=\"Form 7\">\n<\/iframe>\n<script>\n(function () {\n  var P = \"[iFrameSizer]\", f = document.getElementById(\"inline-QlwX91ooJB32ioTrFomD\"), sized, loaded;\n  if (!f) return;\n\n  function ping() {\n    if (f.contentWindow)\n      f.contentWindow.postMessage(P + [f.id,8,false,false,32,true,true,null,\"offset\",null,null,0].join(\":\"), \"*\");\n  }\n  function load() {\n    if (loaded) return; loaded = true;\n    f.src = f.dataset.src;                       \/\/ fetch happens here, not before\n    f.addEventListener(\"load\", ping);\n    var n = 0, t = setInterval(function () { ping(); if (sized || ++n > 20) clearInterval(t); }, 250);\n  }\n\n  window.addEventListener(\"message\", function (e) {\n    if (typeof e.data !== \"string\" || e.data.indexOf(P) !== 0) return;\n    var p = e.data.slice(P.length).split(\":\");\n    if (p[0] !== f.id) return;\n    var h = parseFloat(p[1]);\n    if (h >= 0) { f.style.height = (h + 5) + \"px\"; sized = true; }\n  });\n\n  \/\/ Defer the third-party request until after load + idle, then only near the viewport\n  function arm() {\n    \"IntersectionObserver\" in window\n      ? new IntersectionObserver(function (en, o) {\n          if (en[0].isIntersecting) { load(); o.disconnect(); }\n        }, { rootMargin: \"300px\" }).observe(f)\n      : load();\n  }\n  var idle = window.requestIdleCallback || function (cb) { setTimeout(cb, 200); };\n  document.readyState === \"complete\" ? idle(arm) : window.addEventListener(\"load\", function () { idle(arm); });\n})();\n<\/script>\n<\/div><\/div>\n<style>@media(max-width:768px){.nk-grp-1{border-radius:0!important}}<\/style>\n\n\n<h3 class=\"wp-block-heading\"><strong>Soluble substances in oil or water<\/strong><\/h3>\n\n\n\n<p>An oil-soluble substance is exactly what it sounds like, substances that will dissolve in certain oils, but most likely will not dissolve in water. Sugar and salt are good examples of water-soluble substances that don\u2019t dissolve in oil. Substances that dissolve in water are called hydrophilic (hy-dro-phil-ic), which means water-loving. \u201cHydro\u201d means water in ancient Greek and \u201cphilic\u201d means loving.<\/p>\n\n\n\n<p>Substances that dissolve in oil are called \u201clipophilic\u201d (ly-po-phil-ic) which means oil-loving. Lipos is from the ancient Greek word for fat. Lipophilic means fat or oil-loving. So, a lipophilic substance is soluble in oil. Some substances are soluble in both water and oil, but not many fall into that category. Rubbing alcohol is an example of a substance that dissolves in both water and oil.<\/p>\n\n\n\n<p>Not many substances are soluble in both, in fact, it is considered an unusual property. Squalene is an oil-soluble component of natural nail, hair, and skin oils. It is also found in raw olives but is found in lesser amounts in highly refined olive oils. The refining process makes the olive oil look clear and taste better, but this removes much of the squalene from the olive oil. The squalene is then purified and sold as a cosmetic ingredient mainly for hair and skin care applications.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>How quickly do substances move through the nail plate?<\/strong><\/h3>\n\n\n\n<p>Water is the only substance that moves quickly through the nail plate and it moves much faster through the nail plate than it does through the skin. Oily substances move more slowly through the nail plate than water. Migration of substances through the nail plate occurs only for substances with a chemical structure that mimics the natural oils in the nail plate. Oil concentrations in the plate can increase with each additional topical application. The oil concentration in the nail plate can more than double from a low 3% to 6% or maybe even 7%, with repeated applications. Repeated applications will allow the nail plate to maintain higher levels of oil in the nail plate. One reason is, there are pathways between the nail cells that allow for the passage of oil or water, see the Image below.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"516\" height=\"369\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2022\/12\/microscopic-passageway-nail-plate-1.jpg\" alt=\"\" class=\"wp-image-52431\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2022\/12\/microscopic-passageway-nail-plate-1.jpg 516w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2022\/12\/microscopic-passageway-nail-plate-1-300x215.jpg 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2022\/12\/microscopic-passageway-nail-plate-1-400x286.jpg 400w\" sizes=\"auto, (max-width: 516px) 100vw, 516px\" \/><figcaption>Microscopic Passageway inside the nail plate<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Oil and water don\u2019t mix<\/h3>\n\n\n\n<p>Since oil and water don\u2019t mix, there are passages that channel water through the plate and other passages dedicated to channeling oily substances through the nail plate. There are probably many more channels for water than oil, but the smaller size of water molecules also helps water to move quicker through the nail plate.<\/p>\n\n\n\n<p>The application of heat can also speed the penetration of oil-soluble substances into the nail plate, which is why hot oil manicures are more effective. Some oily substances have chemical structures that are very different from the natural nail. These types of substances are not compatible with the nail plate\u2019s chemical structure and therefore cannot penetrate at all. Mineral oil and many massage oils cannot penetrate, which is why they are used to provide long-lasting lubrication and slip when applied to the skin. Mineral oil remains on the surface of the <a href=\"https:\/\/nailknowledge.org\/nail-knowledge-base\/tea-tree-oil-does-it-absorb-through-the-nail\">nail<\/a> plate and skin and doesn\u2019t absorb. Any oil or oily substance that won\u2019t penetrate the skin is also unlikely to penetrate nails.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Oils that penetrate the natural nail<\/h3>\n\n\n\n<p>Some other well-known examples of oils known for their ability to penetrate the natural nail are jojoba, coconut, and avocado oil.<\/p>\n\n\n\n<p>There are some substances that can penetrate the top surface of the nail plate but can\u2019t move beyond the upper layers of the nail plate and therefore they become trapped inside the plate. Nicotine stains are a good example. Nicotine molecules are shaped like two interconnected rings. Nicotine penetrates the surface of the nail plate, but its bulky shape prevents it from going any deeper. That\u2019s because the plate is such a good barrier and it is highly selective about what substances it allows to absorb. As more and more nicotine builds up near the surface, the stain becomes darker and darker, eventually turning so dark brown, it can appear to be almost as black. If the surface of the nail plate is damaged, some substances will penetrate more easily. But even these will be trapped in the upper layers of the nail plate and not able to penetrate beyond into the middle layers. Of course, if the nail plate is cracked completely through to the nail bed, then great care should be taken.<\/p>\n\n\n\n<p>Substances applied over these types of breaks or cracks can completely penetrate and gain easier access to the nail bed below.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The nail plate is a good barrier to absorption<\/h3>\n\n\n\n<p>This also explains why topical anti-fungal medical treatments don\u2019t work very well. It is very difficult to get enough of the anti-fungal ingredient into the nail plate, even when special penetration enhancers are used. The nail is a powerful barrier. Only water has the ability to easily penetrate the nail. That\u2019s not too surprising. Water is a powerful chemical solvent.<\/p>\n\n\n\n<p>Most don\u2019t think of water in those terms, but that\u2019s exactly what it is. Normally, it is difficult to completely penetrate through the plate. Complete penetration is pretty unlikely to occur with any cosmetic products since most ingredients have no ability to penetrate completely through the nail plate. Even high-quality, penetrating nail oils don\u2019t completely penetrate. These oils build up inside the nail plate and become trapped, which makes them very difficult to remove again, even when hands are washed excessively.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The natural nail is a powerful barrier<\/h3>\n\n\n\n<p>In short, when asked, if substances penetrate the nail plate, a \u201cyes or no\u201d answer just doesn\u2019t apply. It\u2019s more correct to say, that in general, most substances cannot get past the outer surface of the nail plate, while some substances can penetrate into the upper layers and become trapped and remain there. Only a very few select substances can penetrate through the nail plate. All in all, the natural nail is a powerful barrier that\u2019s not easy to overcome!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The nail plate is very resistant The nail plate\u2019s upper layer and nail surface are very resistant and prevent most substances from absorbing at all. This is one reason why a healthy natural nail plate is a good barrier. Only water and certain naturally occurring oil-soluble substances such as squalene can penetrate easily through the [&hellip;]<\/p>\n","protected":false},"author":51,"featured_media":52462,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[75,92],"tags":[],"class_list":{"0":"post-52459","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-myth-busting","8":"category-nail-services","9":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Do nails absorb everything or nothing? - NailKnowledge<\/title>\n<meta name=\"description\" content=\"The nail plate\u2019s upper layer and nail surface are very resistant and prevent most substances from absorbing at all.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nailknowledge.org\/es\/blog\/las-unas-lo-absorben-todo-o-nada\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Do nails absorb everything or nothing? 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