A member asked:

What is the difference between phototherapy and tanning session?

A doctor has provided 1 answer

Phototherapy: Uv phototherapy is the use of ultraviolet light, prescribed by a physician, for the treatment of skin disorders such as vitiligo, eczema and psoriasis. The treatment may consist of ultraviolet in the uva, narrow-band uvb, or broadband uvb wave ranges. Most medical phototherapy is narrow-band uvb and salon tanning beds are uva.

Answered 7/20/2012

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