{"id":12204,"date":"2026-03-06T12:36:43","date_gmt":"2026-03-06T03:36:43","guid":{"rendered":"https:\/\/miragen.clinic\/woods-lamp-examination\/"},"modified":"2026-07-11T13:38:45","modified_gmt":"2026-07-11T04:38:45","slug":"woods-lamp-examination","status":"publish","type":"page","link":"https:\/\/miragen.clinic\/en\/woods-lamp-examination\/","title":{"rendered":"Wood&#8217;s Lamp Examination"},"content":{"rendered":"\n<div class=\"wp-block-group has-custom-color-1-color has-custom-color-4-background-color has-text-color has-background has-link-color wp-elements-ba55a8aaba9a4cdadc23f025956cd59b has-global-padding is-layout-constrained wp-container-core-group-is-layout-8060a47a wp-block-group-is-layout-constrained\" style=\"margin-top:0px;padding-top:240px;padding-right:var(--wp--preset--spacing--superbspacing-small);padding-bottom:240px;padding-left:var(--wp--preset--spacing--superbspacing-small)\">\n<p class=\"has-custom-color-6-color has-text-color has-link-color wp-elements-9ab3840d1f02b8c6f2441cb2a465d08f wp-block-paragraph\">Tests<\/p>\n\n\n\n<h1 class=\"wp-block-heading has-text-align-left has-custom-color-1-color has-text-color has-link-color wp-elements-b044cbccd65aaa8d1c737b7f6b206a0c\">Wood&#8217;s Lamp Examination | Observing fluorescence distribution over large areas<\/h1>\n<\/div>\n\n<div class=\"wp-block-group has-custom-color-2-background-color has-background has-global-padding is-layout-constrained wp-container-core-group-is-layout-353751c3 wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--superbspacing-xlarge);padding-right:var(--wp--preset--spacing--superbspacing-small);padding-bottom:var(--wp--preset--spacing--superbspacing-xlarge);padding-left:var(--wp--preset--spacing--superbspacing-small)\">\n<div class=\"wp-block-rank-math-toc-block has-custom-color-5-color has-custom-color-11-background-color has-text-color has-background has-link-color wp-elements-1e1ed3a73b835d1d2b97ffe3961698ec\" style=\"padding-top:var(--wp--preset--spacing--superbspacing-xsmall);padding-right:0;padding-bottom:var(--wp--preset--spacing--superbspacing-xsmall);padding-left:0\" id=\"rank-math-toc\"><h2>\ubaa9\ucc28<\/h2><nav><ul><li><a href=\"#sec-1\">1. What is Wood&#8217;s Lamp Examination?<\/a><\/li><li><a href=\"#sec-2\">2. Why is Wood&#8217;s Lamp Examination Performed?<\/a><\/li><li><a href=\"#sec-3\">3. Our Clinical Application<\/a><\/li><li><a href=\"#\uc790\uc8fc-\ubb3b\ub294-\uc9c8\ubb38\">Frequently Asked Questions<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 id=\"sec-1\" class=\"wp-block-heading\">1. What is Wood&#8217;s Lamp Examination?<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-custom-color-5-color has-alpha-channel-opacity has-custom-color-5-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--superbspacing-xsmall);margin-bottom:var(--wp--preset--spacing--superbspacing-xsmall)\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">A Wood&#8217;s lamp is an examination that shines a special light in the UV spectrum onto the skin to observe the distribution of fluorescence not visible to the naked eye.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Porphyrins produced by acne bacteria and Malassezia-related lesions can appear fluorescent under a Wood&#8217;s lamp.<sup><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35783566\/\" target=\"_blank\" rel=\"noopener\" style=\"color: inherit;\">1<\/a><\/sup> While a Wood&#8217;s lamp views a wide area at a glance, <a href=\"https:\/\/miragen.clinic\/en\/dermoscopy-examination\/\">UV Dermoscopy<\/a> magnifies and observes individual pores.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 id=\"sec-2\" class=\"wp-block-heading\">2. Why is Wood&#8217;s Lamp Examination Performed?<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-custom-color-5-color has-alpha-channel-opacity has-custom-color-5-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--superbspacing-xsmall);margin-bottom:var(--wp--preset--spacing--superbspacing-xsmall)\"\/>\n\n\n\n<h3 id=\"2-1-&#xD3EC;&#xD53C;&#xB9B0;-&#xD615;&#xAD11;&#xC758;-&#xBD84;&#xD3EC;-&#xD655;&#xC778;\" class=\"wp-block-heading\">2.1 Checking the distribution of porphyrin fluorescence<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Acne bacteria produce <strong>porphyrin<\/strong> during their metabolic processes. When illuminated by Wood&#8217;s lamp, this porphyrin can appear as orange to red fluorescence.<sup><a style=\"color: inherit;\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/23231351\/\" target=\"_blank\" rel=\"noopener\">2<\/a><\/sup> By observing the distribution of porphyrin fluorescence, the degree of pore occlusion can be indirectly assessed. <\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img decoding=\"async\" width=\"1024\" height=\"765\" src=\"https:\/\/miragen.clinic\/wp-content\/uploads\/2026\/03\/wood-lamp-sebum-fluorescence-1.webp\" alt=\"Porphyrin fluorescence distributed as pinkish dots around the cheeks and nose during a Wood's lamp examination\" class=\"wp-image-6578\"\/><\/figure>\n\n\n\n<h3 id=\"2-2-&#xB9D0;&#xB77C;&#xC138;&#xC9C0;&#xC544;-&#xAD00;&#xB828;-&#xC9C8;&#xD658;&#xC758;-&#xBCF4;&#xC870;-&#xC18C;&#xACAC;\" class=\"wp-block-heading\">2.2 Supportive findings for Malassezia-related lesions<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bright fluorescence may be visible under a Wood&#8217;s lamp in some tinea versicolor lesions.<sup><a style=\"color: inherit;\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/37895478\/\" target=\"_blank\" rel=\"noopener\">3<\/a><\/sup> However, since the color and intensity can vary depending on the device and imaging conditions, the cause cannot be confirmed by fluorescence alone.<sup><a style=\"color: inherit;\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35783566\/\" target=\"_blank\" rel=\"noopener\">1<\/a><\/sup><\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/miragen.clinic\/wp-content\/uploads\/2026\/03\/wood-lamp-examination-cheek-fluorescence.png\" alt=\"Skin lesions on the cheek appearing as bright, near-white fluorescence during a Wood's lamp examination\" class=\"wp-image-6387\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 id=\"sec-3\" class=\"wp-block-heading\">3. Our Clinical Application<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-custom-color-5-color has-alpha-channel-opacity has-custom-color-5-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--superbspacing-xsmall);margin-bottom:var(--wp--preset--spacing--superbspacing-xsmall)\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">We utilize Wood&#8217;s lamp examination at various stages of clinical assessment.<\/p>\n\n\n\n<ol class=\"wp-block-list has-custom-color-5-color has-text-color has-link-color wp-elements-147fd1b6605cb83d52739c23f8cca195\">\n<li><strong>Moisturizer Matching:<\/strong> We recommend moisturizers based on the distribution of porphyrin fluorescence. Detailed information can be found on the <a href=\"https:\/\/miragen.clinic\/en\/md-cream\/\" data-type=\"page\" data-id=\"6428\">MD Cream<\/a> page. <\/li>\n\n\n\n<li><strong>Acne diagnosis:<\/strong> In cases of severe folliculitis, the distribution of porphyrin fluorescence is used as a reference to identify the cause. For more details, see the <a href=\"https:\/\/miragen.clinic\/en\/acne\/\" data-type=\"page\" data-id=\"7210\">Acne<\/a>, <a href=\"https:\/\/miragen.clinic\/en\/isotretinoin\/\" data-type=\"page\" data-id=\"6421\">Isotinon<\/a>, and <a href=\"https:\/\/miragen.clinic\/en\/aklief\/\" data-type=\"page\" data-id=\"6422\">Aklief<\/a> pages. <\/li>\n\n\n\n<li><strong>Selection Between Elidel and Protopic:<\/strong> When prescribing non-steroidal anti-inflammatory ointments, we prioritize <a href=\"https:\/\/miragen.clinic\/en\/elidel\/\">Elidel<\/a> when acne is present or pores are occluded, and <a href=\"https:\/\/miragen.clinic\/en\/protopic\/\">Protopic<\/a> when these conditions are absent.<\/li>\n\n\n\n<li><strong>Supportive Findings for Skin Infections:<\/strong> We check for the presence of fluorescence in certain tinea versicolor lesions.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<h3 id=\"&#xCC38;&#xACE0;&#xBB38;&#xD5CC;\" class=\"wp-block-heading\">References<\/h3>\n\n\n\n<ol class=\"wp-block-list has-custom-color-5-color has-text-color has-link-color has-superbfont-xxsmall-font-size wp-elements-4b27a87f41f570c623253dadb367db12\">\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35783566\/\" target=\"_blank\" rel=\"noopener\"><em>Dyer JM, Foy VM. Revealing The Unseen: A Review of Wood&#8217;s Lamp in Dermatology. J Clin Aesthet Dermatol. 2022;15(6):25-30.   <\/em><\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/23231351\/\" target=\"_blank\" rel=\"noopener\"><em>Shu M, Kuo S, Wang Y, et al. Porphyrin metabolisms in human skin commensal Propionibacterium acnes bacteria: potential application to monitor human radiation risk. Curr Med Chem. 2013;20(4):562-568.   <\/em><\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/37895478\/\" target=\"_blank\" rel=\"noopener\"><em>Labedz N, Navarrete-Dechent C, Kubisiak-Rzepczyk H, et al. Pityriasis Versicolor-A Narrative Review on the Diagnosis and Management. Life (Basel). 2023;13(10):2097.   <\/em><\/a><\/li>\n<\/ol>\n<\/div>\n\n<div class=\"wp-block-group has-custom-color-6-background-color has-background has-global-padding is-layout-constrained wp-container-core-group-is-layout-4c3b03bf wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--superbspacing-xlarge);padding-right:var(--wp--preset--spacing--superbspacing-small);padding-bottom:var(--wp--preset--spacing--superbspacing-xlarge);padding-left:var(--wp--preset--spacing--superbspacing-small)\">\n<h2 id=\"&#xC790;&#xC8FC;-&#xBB3B;&#xB294;-&#xC9C8;&#xBB38;\" class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-custom-color-5-color has-alpha-channel-opacity has-custom-color-5-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--superbspacing-xsmall);margin-bottom:var(--wp--preset--spacing--superbspacing-xsmall)\"\/>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-w-q1\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">How much does the test cost?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>The patient co-payment is approximately 1,400 KRW.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-w-q2\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Is the test painful?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>It is completely painless. Only ultraviolet light is directed at the skin, with nothing physically touching it. The examination is completed in 1\u20132 minutes.  <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-w-q3\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Is ultraviolet light harmful to the skin?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Wood&#8217;s lamp uses very weak ultraviolet light (UVA, 365nm wavelength). Since it is used only briefly, the exposure is minimal. It is extremely negligible compared to everyday ultraviolet exposure.  <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-w-q4\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Can I wear makeup to the appointment?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Cosmetics or moisturizers on the examination area may obscure fluorescence response. It is preferable to present with bare skin in the examination area. If products have been applied, cleansing will be performed before measurement.  <\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Tests Wood&#8217;s Lamp Examination | Observing fluorescence distribution over large areas 1. What is Wood&#8217;s Lamp Examination? A Wood&#8217;s lamp is an examination that shines a special light in the UV spectrum onto the skin to observe the distribution of fluorescence not visible to the naked eye. Porphyrins produced by acne bacteria and Malassezia-related lesions [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12205,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-full-width","meta":{"_miragen_jsonld":"","footnotes":""},"class_list":["post-12204","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/miragen.clinic\/en\/wp-json\/wp\/v2\/pages\/12204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/miragen.clinic\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/miragen.clinic\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/miragen.clinic\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/miragen.clinic\/en\/wp-json\/wp\/v2\/comments?post=12204"}],"version-history":[{"count":26,"href":"https:\/\/miragen.clinic\/en\/wp-json\/wp\/v2\/pages\/12204\/revisions"}],"predecessor-version":[{"id":13261,"href":"https:\/\/miragen.clinic\/en\/wp-json\/wp\/v2\/pages\/12204\/revisions\/13261"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/miragen.clinic\/en\/wp-json\/wp\/v2\/media\/12205"}],"wp:attachment":[{"href":"https:\/\/miragen.clinic\/en\/wp-json\/wp\/v2\/media?parent=12204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}