Bosley Revive Nourishing Shampoo for 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, while extending the longevity of color with ColorKeeper. How to use it: Apply daily to wet hair, massage., leave one minute and rinse. Feature & 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. ColorKeeper - Extends longevity of hair color.