PURA D'OR Hair Loss Prevention Therapy Shampoo is free from the harsh chemicals that are the current and leading cause of many chronic hair conditions. Gentle and fortified this shampoo starts by nourishing hair follicles with essential nutrients to reverse any damage and begin the healing process. Biotin strengthens hair strands, niacin increases circulation and our exclusive DHT Blocker Blend promotes healthy hair growth. The formula also includes argan oil, B vitamin complex, biotin, nettles extract, saw palmetto, He Shout Wu (Fo-ti) and other clinically proven natural ingredients to help stimulate hair growth. Ingredients are specially selected for increased bioavailability and maximum absorption. Continued use will prevent further hair loss. Safe for daily use, for all hair types, for both men and women.