You are 4 simple steps away from changing your hair! Experience Redken's ultra rich and concentrated Bonding Care Complex formulated with Citric Acid. Redken's system reinforces weakened hair bonds, repairs your hair's strength, and keeps hair color vibrant! COMBATS 1 YEAR OF VISIBLE DAMAGE IN 1 USE* *System of Acidic Bonding Concentrate Intensive Treatment, Shampoo, Conditioner, Leave-In vs. Undamaged Hair