Intelligent Color Technology: Featuring a new technique that is specially formulated to provide long lasting, vivid colors, this unique color assortment is based on the latest trends, & comes with everything you need to achieve your own custom look. 2 Colors = Infinite Options: Now you can show your true colors and customize your own combos with these Mix Up Hair Color Kits. Long- lasting semi-permanent formula lasts up to 50 washes. 4 color combo kits to choose from.