The Revivogen Formula is a revolutionary, all-natural solution in the fight against hair loss. Unlike its competitors, Revivogen is based on the latest medical breakthroughs into the cause and treatment of hair loss and is made with natural ingredients that have been scientifically proven to reduce DHT production, block the androgen receptors and stimulate hair growth. Revivogen is used topically, can be used by both men and women and has no known systemic side effects. Use Revivogen Thickening Conditioner to complete your hair therapy process (for use with Revivogen Bio-Cleansing Shampoo and Revivogen Scalp Therapy).