Ready to use. Just pump, mix & apply. Results in just 5 minutes. Up to 3 uses. Innovative ready-to-use can dispenses both creams at once in the provided bowl. Using the easy-applicator brush thoroughly mix both creams together until completely blended. After mixing, apply the hair colour to the visible roots along your t-zone: the section around your face and temples. If needed, use the tip of the applicator brush to further section off your hair. Continue applying until you have fully saturated your desired root area. Leave on for 5 minutes and then rinse and style as usual.