Psoriasis is a skin disease that affects millions of men and women worldwide, but it is not contagious. It is most frequently caused by red, itchy, and unsightly patches caused by accumulated skin cells, which may be triggered by stress, a minor wound, or a recent injury. Segals Solutions Advanced Scalp Care ProScalp Shampoo and Conditioner is formulated with the most effective natural ingredients to deeply cleanse and prevent psoriasis, as well as prevent it from recurring.