1.0Conocimientos de uñashttps://nailknowledge.org/esKevin Nichollshttps://nailknowledge.org/es/blog/author/kevinrich600338<blockquote class="wp-embedded-content" data-secret="MnALjT4wYo"><a href="https://nailknowledge.org/es/glossary/patch-testing">Pruebas de parches</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://nailknowledge.org/es/glossary/patch-testing/embed#?secret=MnALjT4wYo" width="600" height="338" title="«Patch Testing» — NailKnowledge" data-secret="MnALjT4wYo" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://nailknowledge.org/wp-includes/js/wp-embed.min.js </script>https://nailknowledge.org/wp-content/uploads/2021/04/Blog-banner-2-5.jpg1280720A process that is required for some beauty treatments. Usually connected with hair colouring, brow and lash tinting and lash lifting. It is also recommended for waxing. It usually involves treatments that use oxidation in the chemical process. Manufacturers instructions should be followed with regards to the process and it is usually a requirement of […]