Coal tar has been used for centuries to treat psoriasis and other chronic inflammatory skin conditions. It works by slowing the rapid turnover of skin cells that lead to the formation of plaques.

Coal tar is inexpensive, relatively free of side effects, safe for use on large body surfaces, and an effective treatment for psoriasis. It is an antipruritic and antibacterial agent that inhibits ...

Psoriasis is an over-production of skin cells ... If these don’t work, then move on to creams containing coal tar, mild steroids, and vitamin D creams with a moisturiser.