Kadus Permanent hair color is advantageous to any hair type. Gray hair? No problem! This hair color will cover 100% of it, making it look as fabulous as it was before your hair color faded. Thanks to its light, creamy texture with Vitaflection molecules, hair dye deeply penetrates into the hair and the result is a brilliant hair color that’ll last for a long time, if it’s taken care of properly of course. The hair dye brightens the hair up to 4 levels for easier hair coloring. Make your hair color come to life.