{"id":52687,"date":"2022-12-22T10:53:44","date_gmt":"2022-12-22T10:53:44","guid":{"rendered":"https:\/\/nailknowledge.org\/?page_id=52687"},"modified":"2026-03-31T09:18:37","modified_gmt":"2026-03-31T09:18:37","slug":"allergies-and-how-they-happen","status":"publish","type":"page","link":"https:\/\/nailknowledge.org\/vi\/professional-nail-courses\/allergies-and-how-they-happen","title":{"rendered":"D\u1ecb \u1ee9ng v\u00e0 c\u00e1ch ch\u00fang x\u1ea3y ra"},"content":{"rendered":"<section style=\"background-color:#dfbec1;padding-top:40px;padding-bottom:40px;--hero-pb:40px;box-shadow:0 4px 20px rgba(0,0,0,0.40);z-index:10;\" class=\"nk-hero nk-hero-e8cb8b1f alignfull wp-block-nk-hero\">\r\n\t<div class=\"nk-hero__inner\">\r\n\t\t\t\t<div class=\"nk-hero__content\" style=\"text-align:center;\">\r\n\t\t\t<img loading=\"eager\" fetchpriority=\"high\" width=\"1024\" height=\"162\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-1024x162.webp\" class=\"nk-hero__title-image\" alt=\"\" style=\"\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-1024x162.webp 1024w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-300x47.webp 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-768x121.webp 768w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-1536x243.webp 1536w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-2048x324.webp 2048w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-18x3.webp 18w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-651x103.webp 651w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-600x95.webp 600w\" sizes=\"auto, (max-width: 683px) calc(100vw - 100px), 651px\" decoding=\"async\" \/>\t\t\t\t\t\t\t\t\t\t<div class=\"nk-hero__text\">\n\n<p class=\"has-text-align-center\"><strong><strong><strong>Study the Allergies and How They Happen course in the NailEra app and understand the science behind the growing number of nail product allergies in the industry.<\/strong><\/strong><\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons mb-4 is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-cta-pill-colourful\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/nailknowledge.org\/vi\/mynailera\/\"><strong><strong>Open the app and find it under Diploma<\/strong><\/strong><\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/mynailera.onelink.me\/BZbi\/ithng0ce\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"499\" height=\"167\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download.webp\" alt=\"\" class=\"wp-image-166381\" style=\"aspect-ratio:2.9887392360344447;object-fit:cover;width:152px;height:auto\" title=\"\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download.webp 499w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download-300x100.webp 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download-18x6.webp 18w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download-50x17.webp 50w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download-200x67.webp 200w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download-100x33.webp 100w\" sizes=\"auto, (max-width: 499px) 100vw, 499px\" \/><\/a><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/mynailera.onelink.me\/BZbi\/ithng0ce\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"555\" height=\"167\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download.webp\" alt=\"\" class=\"wp-image-166382\" style=\"aspect-ratio:3.324165029469548;object-fit:cover;width:173px;height:auto\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download.webp 555w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download-300x90.webp 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download-18x5.webp 18w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download-50x15.webp 50w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download-200x60.webp 200w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download-100x30.webp 100w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/><\/a><\/figure>\n<\/div><\/div>\n<\/div>\n\n<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<div class=\"nk-hero__image\">\r\n\t\t\t\t<img width=\"1024\" height=\"576\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-1024x576.webp\" class=\"nk-hero__img\" alt=\"\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-1024x576.webp 1024w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-300x169.webp 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-768x432.webp 768w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-18x10.webp 18w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-651x366.webp 651w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-600x338.webp 600w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2.webp 1280w\" sizes=\"auto, (max-width: 683px) calc(100vw - 100px), 651px\" loading=\"lazy\" decoding=\"async\" \/>\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n<\/section>\r\n\n\n\n<div class=\"wp-block-group\" style=\"padding-top:var(--wp--preset--spacing--60);padding-right:var(--wp--preset--spacing--60);padding-bottom:var(--wp--preset--spacing--60);padding-left:var(--wp--preset--spacing--60)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-0f62e26a wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading has-text-align-center\"><strong>The Mechanisms Behind Common Nail Product Allergies<\/strong><\/h3>\n\n\n\n<p>This certified course in the NailEra app explains the science behind the growing number of nail product allergies and how they develop.<\/p>\n\n\n\n<p>In this lesson you will learn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Why allergies to nail products are becoming more common<\/li>\n\n\n\n<li>The mechanisms behind how allergic reactions develop<\/li>\n\n\n\n<li>Why coatings must never touch the skin<\/li>\n\n\n\n<li>Why reactions can still occur even when technicians are careful<\/li>\n\n\n\n<li>How understanding these mechanisms helps reduce the risk of sensitisation<\/li>\n<\/ul>\n\n\n\n<p>By understanding what is happening at a scientific level, you will be better equipped to recognise potential causes and develop safer working habits.<\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\r\n<section style=\"background-color:#dfbec1;padding-top:40px;padding-bottom:40px;--hero-pb:40px;box-shadow:0 4px 20px rgba(0,0,0,0.40);z-index:10;\" class=\"nk-hero nk-hero-e8cb8b1f alignfull wp-block-nk-hero\">\r\n\t<div class=\"nk-hero__inner\">\r\n\t\t\t\t<div class=\"nk-hero__content\" style=\"text-align:center;\">\r\n\t\t\t<img width=\"1024\" height=\"162\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-1024x162.webp\" class=\"nk-hero__title-image\" alt=\"\" style=\"\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-1024x162.webp 1024w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-300x47.webp 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-768x121.webp 768w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-1536x243.webp 1536w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-2048x324.webp 2048w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-18x3.webp 18w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-651x103.webp 651w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-and-How-They-Happen-600x95.webp 600w\" sizes=\"auto, (max-width: 683px) calc(100vw - 100px), 651px\" loading=\"lazy\" decoding=\"async\" \/>\t\t\t\t\t\t\t\t\t\t<div class=\"nk-hero__text\">\n\n<p class=\"has-text-align-center\"><strong><strong><strong>Study the Allergies and How They Happen course in the NailEra app and understand the science behind the growing number of nail product allergies in the industry.<\/strong><\/strong><\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons mb-4 is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-cta-pill-colourful\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/nailknowledge.org\/vi\/mynailera\/\"><strong><strong>Open the app and find it under Diploma<\/strong><\/strong><\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/mynailera.onelink.me\/BZbi\/ithng0ce\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"499\" height=\"167\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download.webp\" alt=\"\" class=\"wp-image-166381\" style=\"aspect-ratio:2.9887392360344447;object-fit:cover;width:152px;height:auto\" title=\"\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download.webp 499w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download-300x100.webp 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download-18x6.webp 18w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download-50x17.webp 50w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download-200x67.webp 200w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/apple-download-100x33.webp 100w\" sizes=\"auto, (max-width: 499px) 100vw, 499px\" \/><\/a><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/mynailera.onelink.me\/BZbi\/ithng0ce\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"555\" height=\"167\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download.webp\" alt=\"\" class=\"wp-image-166382\" style=\"aspect-ratio:3.324165029469548;object-fit:cover;width:173px;height:auto\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download.webp 555w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download-300x90.webp 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download-18x5.webp 18w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download-50x15.webp 50w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download-200x60.webp 200w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/google-play-download-100x30.webp 100w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/><\/a><\/figure>\n<\/div><\/div>\n<\/div>\n\n<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<div class=\"nk-hero__image\">\r\n\t\t\t\t<img width=\"1024\" height=\"576\" src=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-1024x576.webp\" class=\"nk-hero__img\" alt=\"\" srcset=\"https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-1024x576.webp 1024w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-300x169.webp 300w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-768x432.webp 768w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-18x10.webp 18w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-651x366.webp 651w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2-600x338.webp 600w, https:\/\/nailknowledge.org\/wp-content\/uploads\/2026\/03\/Allergies-2.webp 1280w\" sizes=\"auto, (max-width: 683px) calc(100vw - 100px), 651px\" loading=\"lazy\" decoding=\"async\" \/>\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n<\/section>","protected":false},"excerpt":{"rendered":"<p>The Mechanisms Behind Common Nail Product Allergies This certified course in the NailEra app explains the science behind the growing number of nail product allergies and how they develop. In this lesson you will learn: By understanding what is happening at a scientific level, you will be better equipped to recognise potential causes and develop [&hellip;]<\/p>\n","protected":false},"author":35,"featured_media":0,"parent":39235,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"","_yoast_wpseo_metadesc":"","_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":""},"class_list":{"0":"post-52687","1":"page","2":"type-page","3":"status-publish","5":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Allergies and How They Happen - NailKnowledge<\/title>\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\/vi\/khoa-hoc-lam-mong-chuyen-nghiep\/allergies-and-how-they-happen\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Allergies and How They Happen - NailKnowledge\" \/>\n<meta property=\"og:description\" content=\"The Mechanisms Behind Common Nail Product Allergies This certified course in the NailEra app explains the science behind the growing number of nail product allergies and how they develop. 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