Shampoo for dark-blond and brown hair designed to gently cleanse blonde, light brown, or dark blonde hair while counteracting red and brassy tones with a unique blue dye. Devoid of salts and parabens contains milk proteins, which help to repair hair and give it a beautiful, healthy color. keeps the shades of brown and dark blond Once a week Apply it evenly to the hair, let it sit for a few minutes, and then rinse it off. It can be left for a few more minutes for a better outcome. Following a rinse, cold brunette conditioner is applied.