NOURISHING COLOR MASK to revive, intensify, and tone natural, colored, or highlighted hair. It brightens dull, lifeless hair with intense reflections. The formula enriched with Tamanu Oil keeps hair shiny and soft. Usage: After shampooing, apply evenly to towel-dried hair with the help of a comb. Leave on for 3 to 15 minutes depending on the desired effect, then rinse thoroughly with water. Mask.