Overview
Natural sunlight is composed of both ultraviolet A (UVA) and ultraviolet B (UVB) light. UVA light penetrates the skin more deeply than UVB light. However, UVA light is not effective for treating psoriasis… read more
Overview
Natural sunlight is composed of both ultraviolet A (UVA) and ultraviolet B (UVB) light. Of the two, UVB light is a safer and more effective treatment for psoriasis.
What does it involve?
UVB is believed… read more