Used by thousands of men and women dealing with thinning hair, who want a drug-free alternative to standard prescription treatments for hair loss. Revivogen MD BioCleansing Shampoo is a DHT-blocking hair loss shampoo. Revivogen is also suitable for anyone who wishes to preserve the health and vitality of their hair. Revivogen is designed to quickly improve the look and feel of naturally fine hair. Effective for all hair types. Safe for color-treated hair. REMEMBER: The sooner you address the signs of aging in your hair, the easier it is to achieve the thicker, fuller, healthier head of hair you want.