There are many types of Psoriasis and to date, scientists do not know causes this skin ailment. Furthermore, there seems to be no cure for Psoriasis. In simple terms, Psoriasis is accompanied by an increase in skin cell turnover. In this exclusive Provenance Solutions Psoriasis & Scaly Skin Cream formula, we use a special botanical extract, Larrea Divaricata(Divatonyl, Sederma, France) with its clinically proven ability to reduce excess skin vell turnover. Aloe Vera Gel(80%) is used to help soothe the itching and redness that usually accompanies Psoriasis. Niacinamide(Vitamin B-3) is used for its proven ability to clarify troubled skin. And, the efficacy of this cream is further enhanced by the positive aaction of the Omega-3 and Omega-6 Fatty Acids found in Organic Flax Seed Oil and high GLA Borage Oil.