Schwarzkopf Color Boost Icy Color Vibrancy Booster Hair Color

Discover Color Boost, our first in-shower customizable color vibrancy booster to be mixed in with your favorite conditioner. Use it whenever you want to boost your color vibrancy between colorings. Just mix the desired amount of drops into your favorite conditioner, the more drops you use, the more concentrated the color result. No ammonia, no peroxide, no alcohol, just color.