LifeXtend Complex hydrates and nourishes while strengthening and fortifying the follicles and hair shaft for thicker, fuller-looking hair. Gentle and safer cleansing without harmful ingredients. Promotes healthy hair growth Vegan, sulfate-free, paraben-free & phthalate-free All Bosley Pro products are Bosley Inc Doctor recommended No animal testing Bos revive haircare reconditions hair and rejuvenates the scalp Sulfate-free nourishing shampoo removes toxins Lifextend complex contains Pentapeptides to help promote thicker-fuller looking hair