Catalase Boost Shampoo is a hair care formula that contains the enzyme Catalase, which slowly depletes as we age. Our Catalase Shampoo contains no dyes and is suitable for all hair colors and types. The enzyme Catalase catalyzes hair. Our nourishing shampoo is intended to help restore beautiful young looking hair. Coconut Oil increases hair elasticity, thickness, shine and overall vitality. Jojoba Oil conditions the hair, while removing sebum from the scalp that may impede overall hair health. Hydrolyzed Wheat Protein nourishes each strand to curb hair breakage. Best Earth Naturals Catalase Shampoo is for men and women of all ages.