Bos-Revive haircare reconditions hair and rejuvenates the scalp. Sulfate-free nourishing shampoo removes toxins such as DHT (a primary cause of thinning hair and hair loss). The LifeXtend complex contains saw palmetto extract and pentapeptides to help promote thicker, fuller-looking hair. Soy amino acids help restore strength, thickness and volume. Vegetable protein helps fortify hair shafts. Plankton extract helps protect from photo-aging, frequent washing and damage due to brushing. ColorKeeper helps extend color. For visibly thinning color-treated hair Cruelty-free Vegan Made in USA