In Europe, narrowband UVB (NB-UVB) has been established as the treatment of first choice in the management of moderate-to-severe psoriasis and other chronic inflammatory skin diseases. Although it ...

Both UVA and UVB phototherapy may be used, depending on the severity of the condition. Vitiligo: This skin disorder results in the loss of pigmentation, leading to white patches on the skin.

“The most common form of phototherapy is narrowband UVB, which has largely replaced other forms of phototherapy, such as broadband UVB and PUVA,” says Page. Dr. Guttman-Yassky ...

Conclusions: Narrowband UVB-LED irradiation exhibited a weak bactericidal effect on oral bacteria but showed low toxicity to gingival epithelial cells. Its irradiation also induces the production ...