Product details:The Redken Acidic Bonding Concentrate Intensive Pre-Treat and Shampoo Duo Bundle is expertly engineered with a Bonding Care Complex to visibly smooth and intensely hydrate dry strands. Set Contents: Acidic Bonding Concentrate Intensive Pre-Treatment 150ml The first step in Redken's Acidic Bonding Concentrate routine, the treatment is formulated to visibly smooth the hair cuticle, promote stronger-looking hair and lock in your colour for longer. The 5-minute, rinse-off, pre-shampoo treatment is powered by 14% Bonding Care Complex with citric acid, targeting weakened bonds to help minimise the look of breakage. Hair is left visibly stronger, smoother and glossier after every wash. Acidic Bonding Concentrate Shampoo 300ml Infused with citric acid and Bonding Care Complex, the sumptuous shampoo helps to brighten colour-treated hair, while minimising the appearance of damage and split ends. The intensely-conditioning formula promotes a reflective glass-like shine. Redken Acidic Bonding Concentrate Intensive Pre-Treatment and Shampoo Duo