Wonder No Yellow Shampoo Suitable for blonde, super-lightened, bleached, or gray hair. Formulated with purple pigment that reduces unwanted yellow reflections. Leaves hair with a cool, shiny, and bright reflection. EXTRA CARE: even softer and shinier hair. Usage: Apply to wet hair and massage. Leave on for 1 to 5 minutes, emulsify, and rinse. Repeat shampooing if necessary.