Vitiligo FAQ

Phototherapy Isn't Sunbathing: Unveiling the Mystery of Hospital Light Rooms

"Doctor prescribed NB-UVB phototherapy for me, can't I just go sunbathing at the beach instead?" The short answer is: No, and doing so can be quite risky!！

Natural sunlight contains broad spectrums of light. Because vitiligo lesions lack protective melanin, prolonged unmonitored sun exposure easily causes sunburn, blistering, or peeling—potentially aggravating the condition. In contrast, clinical medical devices utilize Narrowband UVB (NB-UVB) lamps tuned strictly to a precise 311-nanometer wavelength.

This acts like a "precision strike," exclusively stimulating dormant melanocytes without wasting energy on harmful wavelengths that damage skin.

Phototherapy is a marathon requiring consistency—typically 1 -  2 sessions a week lasting just seconds to minutes each. Over months, tiny "sesame-seed-like" pigment dots will begin to sprout, signaling real hope!