How do you mix quick white powder lightener?
Depending on the desired degree of lightening and consistency, mix with Salon Care Developers 10 vol., 20 vol., 30 vol., or 40 vol; In a ratio of 1 scoop of powder to 2 scoops of developer in a non-metallic bowl. When applying directly to the scalp, do not exceed 20 vol. Developer. Apply to dry, … Read more