1.Do a patch test 48 hours before colouring 2.When you’re ready to colour, pour the Colour Blend Formula (labeled 1) into the Colour Blend Activator (labeled 2) and close the cap. 3.With your gloves on, place a finger over the applicator bottle and shake! 4.Part your hair into sections and apply colour starting at the roots, working your way to the ends. 5.Set the timer for 25 minutes or 45 minutes for stubborn greys. 6.Rinse and gloss. Apply ColourSeal Conditioning Gloss (labeled 3) to lock in shine. Save the remaining conditioner to use once a week.