Matrix SoColor Power Cools Low Ammonia Permanent Hair Color 3 oz

POWER COOL DYES a superior dye calibration of blue and violet tones to ensure the coolest results in the Matrix portfolio. LOW-AMMONIA provides a steady, more controlled lift for reliably cooler results without compromising the level of lift. BRASS NEUTRALIZING dye combinations allow each shade to stay true-to-tone and last up to 8 weeks.