How to Use Perform a patch test 48 hours before application to check for any allergic reactions. Mix the colorant and developer according to the instructions provided in the kit. Apply the mixture evenly to dry, unwashed hair, starting from the roots and working towards the ends. Leave the color on for 25 minutes for natural hair. For resistant gray hair, leave the color on for 30 minutes. Rinse hair thoroughly with warm water until the water runs clear. Apply the included shea butter conditioner to moisturize and seal in the color.
