Instantly brings out color luminosity of color treated and non-color treated hair.As gentle as water, the unique FadeStopFormula minimizes color fading with every use.Our unique color technology – containing Luminescine in all 4 of our Dualsenses color segments Color, Color Extra Rich, Blondes & Highlights and Silver.The next generation of color luminosity.The new Luminescine technology transforms non-visible UV light into visible light for magnificent brilliance.. Goldwell Goldwell DualSenses Color Extra Rich Shampoo 1000ml / For Colored Hair