Wood lamp examination is a non-invasive, completely painless method used to highlight fluorescence present in certain types of dermatological conditions, such as skin infections (pityriasis versicolor, tinea capitis, erythrasma, Pseudomonas infections) or to highlight pigmentary changes (vitiligo). ). The test consists of examining the skin or hair with a lamp that emits UVA rays, with a wavelength between 320-450 nm.

This type of examination is done in a dark room, and the Wood lamp is kept at a distance of 10-30 cm from the patient's skin. It is recommended that the patient keep his eyes closed during the examination.

It is recommended that prior to the examination, the patient does not use topical medications, creams, deodorants, perfume or makeup, also the area to be examined should not be washed on the day of the examination.