Argan oil-infused tint shampoo completely covers gray hair. Convenient: Applying it is as simple as using a standard shampoo. Time-saver: In just eight minutes, a tiny amount of shampoo will give you shiny, black hair. Saves money: in contrast to the high price of having your hair colored in a salon. durable on hair. How to apply: Put on the gloves that come with the product. To release the shampoo, press the pump located at the top of the can. Incorporate the shampoo cream into your palms. Distribute the shampoo evenly throughout your hair by massaging it in. Give the shampoo cream eight to ten minutes to work on your hair. Enjoy your hair's vivid black color after giving it a thorough wash with water.