Schwarzkopf Color Boost Vibrancy Booster, Brown. Box will show signs of wear, but item is brand new, never used - in-shower customizable color vibrancy booster to be mixed in with your favorite conditioner - let you customize your color intensity (1 drop = minimal boost, 5 drops = maximum boost) - can enhance color vibrancy between salon visits or colorings - offers an easy solution to increase the intensity of your hair color. Just mix 1-5 drops into your conditioner - no ammonia, no peroxide, no alcohol, just color - last up to 20 washes (semi-permanent - Results may vary depending on the number of drops used and daily care habits, hair history and texture)