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A blacklight, also called a UV-A light, Wood's lamp, or ultraviolet light, is a lamp that emits long-wave ultraviolet light and very little visible light. [ 1 ] [ 2 ] [ 3 ] One type of lamp has a violet filter material, either on the bulb or in a separate glass filter in the lamp housing, which blocks most visible light and allows through UV ...
Melasma is usually diagnosed visually or with assistance of a Wood's lamp (340–400 nm wavelength). [4] [8] Under Wood's lamp, excess melanin in the epidermis can be distinguished from that of the dermis. This is done by looking at how dark the melasma appears; dermal melasma appears darker than epidermal melasma under the Wood's lamp. [6]
The least invasive test is a visual inspection in the clinic using a Wood's Lamp. [11] A KOH test can also be used, where skin scraping of the affected skin may also be taken and prepared with potassium hydroxide (KOH) and visualized under a microscope to look for Malassezia or other microbiological cells.
Wood's lamp examination will reveal bright green to yellow-green fluorescence of hairs infected by M. canis, M. audouinii, M. rivalieri, and M. ferrugineum and a dull green or blue-white color of hairs infected by T. schoenleinii. [8] Individuals with M. canis infection trichoscopy will show characteristic small comma hairs. [9]
Wood's lamp examination results are inconsistent. Treatment of pitted keratolysis requires the application of antibiotics to the skin such as benzoyl peroxide, clindamycin, erythromycin, fusidic acid, or mupirocin. [2] [5] Prevention efforts aim to keep the feet dry by using moisture-wicking shoes and socks as well as antiperspirants. [2]
Skin needing hydration and a refresh? Here's a guide to Korean skincare routines. How to make rice water. Rice water can be easily made at home. After you wash rice, reserve the water.
Vitiligo (/ ˌ v ɪ t ɪ ˈ l aɪ ɡ oʊ /, vit-il-eye-goh) is a chronic autoimmune disorder that causes patches of skin to lose pigment or color. [1] The cause of vitiligo is unknown, but it may be related to immune system changes, genetic factors, stress, or sun exposure.
The companies claimed, among other things, that the health warnings violated their free speech rights by compelling the companies to endorse the U.S. government's anti-smoking message through ...