As effective as coal tar can be in treating psoriasis, it can also make psoriasis worse in some people, according to the ...

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 ...

Amazingly, it appears from internet forums that people have tried to use WD40 on their psoriasis – so could ... then move on to creams containing coal tar, mild steroids, and vitamin D creams ...