Help reverse damage in minutes with the Redken Acidic Bonding Concentrate 5-Min Liquid Mask. This sulfate-free liquid mask formula quickly melts into hair for unrivaled strength, moisture, detangling & shine in just 5-minutes. Formulated with Redken's most intensive Conditioning Care Complex, a high concentration of cationic agent and conditioning oils, this mask offers immediate detangling while helping to repair damage deep inside the hair. Suitable for colour-treated hair.