Depending on the desired degree of lightening and consistency, mix with Blond Brilliance™ Crème Oil Infusion 5 volume, 15 volume, or 25 volume developer in a ratio of 1:1.5 up to 1:2.5 in a non-metallic bowl.
When applying directly to the scalp, do not exceed 15 volume developer. Apply to dry, unwashed hair. DO NOT USE HEAT. Use mixture immediately and discard any unused mixture.