Prescribing coal tar: Dermatologists have been prescribing coal tar for more than 100 years to treat psoriasis. You’ll find many psoriasis treatments that contain coal tar. Some you can buy without a ...

Some OTC treatments contain an active ingredient (what treats the psoriasis) like coal tar or hydrocortisone. People have used these for years to treat psoriasis. Other active ingredients are so new ...

and coal tar and salicylic acid can help remove scales and soften skin. Exposure to ultraviolet B light may slow the growth of skin cells," says the expert. Using these oils for psoriasis can help ...