Overall with uvb light therapy there are fewer risks to the body because it does not penetrate as deeply and the time exposed to the light is lesser.
Uvb light therapy for psoriasis.
Phototherapy or treating your skin with specific kinds of uv or laser light can help with psoriasis eczema and atopic dermatitis.
Phototherapy is a type of psoriasis treatment that may make the pain and itchiness of the condition go away.
Uvb from the sun works the same way as uvb in phototherapy treatments.
Although both uvb and uva are found in sunlight uvb works best for psoriasis.
You also do not need to take additional drugs in order for the light to absorb and impact your psoriasis which has shown to have among the riskiest side effects.
Uvb phototherapy is used to treat moderate to severe psoriasis.
For people with more advanced psoriasis another form of light therapy combines ultraviolet a uva with a psoralen drug.