Wella Koleston Xpress ME+ Permanent Creme Color 2oz - 10 min Express Color NIB Koleston Xpress is an express permanent color with Control-X Technology. Control-X Technology and the speed in which the color molecules form provides quicker oxidation of the color, resulting in a non-progressive 10-minute Permanent Hair Color. It provides up to 100% gray coverage in just 10 minutes.