This is the area of the UV spectrum that encourages the production of melanin in the skin intended as a protection but seen as a suntan. Too much can be harmful to the skin. It can be used by dermatologists to treat some skin conditions.
This is the area of the UV spectrum that encourages the production of melanin in the skin intended as a protection but seen as a suntan. Too much can be harmful to the skin. It can be used by dermatologists to treat some skin conditions.