Majicontrast from LOréal Professionnel is a line of hair dyes to create intense, resistant, and shiny highlights or nuances. This formula was specially developed with Hi.Chroma technology to give color, shine, and light to natural or colored brown and dark brown hair. Its technology with ultra-chromatic dyes allows a true concentration of colors, which penetrate the hair fiber for truly overflowing color. Ionène G and Incell strengthen the internal structure of the hair. With exceptional durability thanks to Hi.chroma TM dyes. It offers a quick action of 15 minutes under heat and perfect and long-lasting results. Does not cover gray hair. Lightening up to 4 tones.