Great-looking hair doesn't stop at 50. We've formulated products that are specifically designed to work with our unique hair biology to give you amazing looking hair at any age. Hair Biology Moisturizing Shampoo hydrates and nourishes your hair while cleansing to bring back smooth, shiny, healthy-looking hair. Made with biotin and free of parabens, our Soft & Hydrated Collection is safe for color-treated and aging hair. Discover the complete line of age-inspiring hair care products from Hair Biology and fall in love with your hair again.