Evolution Hair Loss Institute and Trichology Centers is the premier clinic specializing in health and hair loss treatment for men and women seeking hair restoration through non-surgical means. Evolution Hair Loss Institute was founded by William Gaunitz in 2002 due to his own hair loss experience. Our unique and incredibly effective treatment model uses a combination of trichology based natural hair loss treatment methods to regrow lost hair on men and women suffering from genetic pattern hair loss, stress related conditions, chemotherapy, and auto-immune disorders. Based in Tempe Arizona, the Evolution model for hair loss treatment is expanding through the United States.Evolution Hair Centers offers products worldwide and has retailers in 3 countries.