Active Cell Color-locking Shampoo is mild in nature. It can contract the surface scale pieces of hair, reduce the color fade when washing hair. Moreover, it can provide the nourishing active cells to the inside hair during washing hair, which can make the hair softer and more fresh. Usage: After coloring your hair, continue to use regularly to enhance, maintain your hair color. Use like a regular shampoo, wet your hair and emulsify a generous amount in your hands and massage into your hair. Rinse off thoroughly.