The formula 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 various botanical extracts promotes healthy hair growth; Our herbal formula such as argan oil, B vitamin complex, biotin, nettles extract, saw palmetto, He Shou Wu (Fo-ti) and other clinically proven natural ingredients to help stimulate hair growth. Ingredients selected increase bioavailability and maximum absorption. Please use this shampoo once or twice a day, for all hair types, for both men & women.