A new generation of high-performance tone-on-tone professional hair color. Discover two alkaline and acid coloring technologies: the ultimate demonstration tandem for countless applications. Discover the GLOWin SYSTEM™ from Revlon Professional, with patent-pending technology. Fills and repairs the hair's protein structure for optimal pigment distribution during coloring, and seals the cuticle to maximize color duration and shine. Benefits: Color Excel Gloss: Acid Technology Does not lighten the color, no obligation Repairs damaged hair Neutralizes and nuances Go further with your acid color. The acid color shine treatment, with patent-pending technology, reverses damage caused by chemical processes and rebuilds the hair structure to restore the hair's natural quality. Visibly improved condition 10 minute treatment