How To Pretreat Gray Hair Before Coloring - In a color service, this usually involves applying color developer (hydrogen peroxide) to the. It involves applying just the color directly on the hair with no developer, letting it sit for a few minutes. Natural oils form a protective barrier that helps reduce scalp irritation and reduce chemical hair damage. Then, mix your formula and. Then, apply your color formulation,” says usher. Hair clarifying treatments your hair shouldn’t be perfectly clean before coloring. Color developer which is made of hydrogen peroxide, is applied to the regrowth area in.
Color developer which is made of hydrogen peroxide, is applied to the regrowth area in. Natural oils form a protective barrier that helps reduce scalp irritation and reduce chemical hair damage. Then, mix your formula and. In a color service, this usually involves applying color developer (hydrogen peroxide) to the. It involves applying just the color directly on the hair with no developer, letting it sit for a few minutes. Then, apply your color formulation,” says usher. Hair clarifying treatments your hair shouldn’t be perfectly clean before coloring.