A moisturizing formula that corrects the color to instantly neutralize unwanted red nuances for a deeper and fresher brown color. Developed for all types of dyed dark hair, but also adapted for natural dark hair. Instantly neutralizes red nuances for a colder dark color sublimated. The hair is 89% more hydrated and soft, with a reduced porosity to help retain the color for longer. Fiber is 53% more resistant and reduces breakage.