Stock up and save on your favourite Redken shampoo with this great-value set, containing: 2 x Redken Acidic Bonding Concentrate Shampoo 300ml The unique Acidic Bonding Concentrate Shampoo works to cleanse, strengthen and deeply condition hair while reinforcing weakened bonds. Enriched with citric acid and a concentrated bonding care complex, this restorative Redken shampoo is perfect for those with damaged, demanding, and processed hair. Boasting a luxurious, ultra-rich lather, this expert shampoo has a pH-balancing effect to protect your locks against the negative impact of hair colouring, styling and even water. Gentle on hair, the advanced Redken Acidic Bonding Concentrate Shampoo leaves locks feeling more manageable, smoother and shinier - from root to tip. Free of sulfates. Key Benefits Up to 56% less breakage* Up to 76% of split ends appear reduced** Up to 11x smoother hair***, system tames frizz and adds intense shine pH-balancing for colour-fade protection For all hair types and textures Contains citric acid, an alpha hydroxy acid, which conditions to help protect weak bonds * Brushing Test. When used as a system of Acidic Bonding Concentrate Shampoo and Conditioner vs. Classic Shampoo on Bleached Hair ** Visual Grading. When used as a system of Acidic Bonding Concentrate Shampoo, Conditioner and Leave-In Treatment vs. classic shampoo on bleached hair *** When used as a system of Acidic Bonding Concentrate Shampoo, Conditioner and Leave-In Treatment