Nyo No Yellow Mask, Anti-yellowing hair mask with herbal whitening extracts. Formulated for white, heavily bleached or bleached hair. Violet pigment neutralizes unwanted yellow tones, leaving hair soft, shiny and silky. Also ideal for natural gray and white hair.. Apply sufficient amount to clean and wet hair, massage lightly and leave for 4-5 minutes, then rinse thoroughly with lukewarm water. Combine it with Nyo No Yellow Shampoo