Apply the same care to your hair as you do to your skin with the Kérastase Première Duo Discovery Set, Pre-Shampoo and Shampoo for All Types of Damaged Hair. The professional-grade duo is ideal for travel or for discovering a new length-loving routine. Set Contents: Kérastase Première Bonding Pre-Shampoo Hair Treatment for Damaged Hair with Pure Citric Acid 45ml A gel and priming treatment to use before shampoo, designed to target visible damage from heat, colour and hard‑water minerals. Powered by a blend of citric acid and glycine, the formula helps to break down dulling stiffness and strives to strengthen strands. Kérastase Première Bonding Advanced Repairing Shampoo for Damaged Hair with Pure Citric Acid 80ml A bond‑building cleanser that sweeps away impurities while softening the look of heat, colour and chemical stress. With citric acid and glycine at its core, the creamy formula foams into a silky lather that helps boost the appearance of strength, suppleness and healthy-looking shine.