BosRevive Nourishing Shampoo for Color-Treated Hair is part of the BosRevive Haircare Regimen which is formulated for those who have noticeably thinning hair and need to rejuvenate the hair and scalp. BosRevive formulas contain anti-aging ingredients and DHT inhibitors. LifeXtend Complex hydrates and nourishes while strengthening and fortifying the follicles and hair shaft for thicker, fuller looking hair. Sulfate free, gentle and safer cleansing without potentially harmful ingredients.