Jet Black 22/0 Professional Hair Color Cream / black dye hair /black hair 22/0 Black Bleaching is NO necessary to conduct for such color. Here are the steps: 1. Wash your hair clear with shampoo. And dry your hair completely without apply any Serum/ oil/ conditioner. 2. Mix color tube cream with Preoxide 6% evenly and apply at your hair and leave it for 30- 45min wash off once hair turn to such color. 3. Finally, wash with shampoo & conditioner.