The basics Kenra Professional Clarifying Shampoo restores hair's natural radiance. The benefits Removes dulling deposits & build-up. Brightens highlighted, bleached or gray hair. Cleanses deeply without drying hair. The uses For color-treated hair, add once a week to Color Maintenance System to remove deposits that may dull hair color. The bottom line Massage into wet hair, add water to lather. Rinse and repeat if necessary.