Joico K-Pak Color Therapy Shampoo 10.1 oz / 300 mlDesigned for: For color-treated, structurally weak or damaged hair.Benefits: * This color-preserving, reconstructing shampoo gently cleanses hair while improving its elasticity and shine and preventing color loss. Breakthrough QuadraBond Peptide ComplexTM restores and protects hair"s natural B-layer, resulting in more vibrant, longer lasting haircolor.K-PAK Color TherapyK-PAK Color Therapy is the first hair care system formulated to preserve color by addressing the β-layer, hair"s first line of defense against damage and color loss.» Doubles the life of haircolor"s vibrancy» Repairs and strengthens damaged hair» Reduces breakage by 65% after just one use» Instantly increases shine by nearly 50%