Light reflection through copper blocking: The patented Microlight technology blocks the interference of copper even before oxidation, the hair surface thus remains protected and clear. This allows the light to penetrate and the hair to shine from within.Lightening up to 3 shades20 intermixable shadesnatural color results on a cool-violet basereliable resultsmixing ratio 1:1 (with Wella Welloxon Perfect)Content 60 ml