Crazy Color is a conditioning, semi permanent hair dye which means it will last about 3-4 weeks. Crazy Color hair creams are all compatible and can be mixed to allow the user to create their own limitless shades and designs to suit their own individual desires. Vegetable based. Crazy Color will give lustrous depths of color on natural (virgin) hair, a hint of color on natural light hair, glowing colours on very light bleached hair. For vibrant colours, hair must be bleached before application. For best results hair should be porous, bleached, or tinted. 100ml