Get fast and fabulous color with Koleston Xpress, our express permanent color that provides up to 100% gray coverage in just 10 minutes. With Control-X Technology to help prevent over-processing for express yet reliable results, it's non-progressive color you can trust! The built-in Metal Purifier and ME+ Dye Technology help ensure true-to-tone color and protection from extra damage. Features and Benefits 1 With Control-X Technology to help prevent over-processing Features and Benefits 2 Non-progressive color Features and Benefits 3 Up to 100% gray coverage in just 10 minutes Features and Benefits 4 Includes Metal Purifier to help protect hair from extra damage happening in presence of metals wherever color is placed Features and Benefits 5 Features ME+ Dye Technology to reduce the risk of developing a new allergy to hair color*. *Although the risk of developing new allergy is reduced, there remains a risk of allergic reaction that can be severe. Always ask your stylist to perform an Allergy Alert Test 48h before each coloration. Strictly follow safety instructions. If you have ever experienced an allergic reaction to hair colorants, you should not color.