Redken Extreme Strength Repairing Shampoo & Conditioner Set. This set includes two generously sized bottles, each containing 33.8 oz of salon-quality products that are specially formulated to repair and strengthen damaged hair. Whether your hair has been compromised by heat styling, chemical treatments, or environmental factors, this duo is here to rescue and rejuvenate it, leaving you with hair that feels softer, looks healthier, and shines with vitality.