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