Bosley Revive Nourishing Shampoo for Non Color Treated Hair What it is: A gentle rejuvenating, sulfate free cleanser that removes toxins such as D.H.T. (a primary cause of hair loss) from the scalp of visibly thinning hair. What it does: Reconditions the hair while rejuvenating the scalp with LifeXtend Complex Plus. How to use it: Apply daily to wet hair, massage., leave one minute and rinse. Features & Benefit: LifeXtend Complex with Saw Palmetto Hydrates and nourishes while strengthening and fortifying the follicles and hair shaft for thicker, fuller looking hair. Sulfate Free Gentle safer cleansing without potentially harmful ingredients. Soy Amino Acid Penetrates the hair shaft to improve strength & help hair feel thicker.