1.0Kiến thức về móng tayhttps://nailknowledge.org/viKevin Nichollshttps://nailknowledge.org/vi/blog/author/kevinrich600338<blockquote class="wp-embedded-content" data-secret="mfttSNFR1s"><a href="https://nailknowledge.org/vi/glossary/umbrella-effect">Umbrella Effect</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://nailknowledge.org/vi/glossary/umbrella-effect/embed#?secret=mfttSNFR1s" width="600" height="338" title="“Umbrella Effect” — NailKnowledge" data-secret="mfttSNFR1s" 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>The umbrella effect describes what happens when pigments, glitter, or other particles inside a UV gel block light from reaching deeper layers during curing. These particles act like tiny umbrellas, casting shadows that prevent UV energy from penetrating all the way through the gel. Why it matters for nail techs: Best practice:Apply dark or glitter […]