Krastase Premire Bonding Pre-Shampoo Hair Treatment [STEP 1- ACTIVATE REPAIR] deeply restores and intensely repairs all levels of damage for all hair types. This includes damage from heat styling, over-processing, colour treatment, bleaching, and even water in your shower.Formulated with a concentration of 8% Pure Citric Acid and Glycine, the Pre Shampoo acts on inner u0026 outer hair layers to neutralise dullness and stiffness. The formula rebuilds broken keratin bonds to reduce breakage. With its transparent gel texture, the Pre-Shampoo dives deep to help repair persistent damage. Hair is left stronger, healthier-looking, and shinier as if renewed.To use: Apply the Premire Pre-Shampoo Treatment generously before the shower to damp hair, then after 5 minutes, layer the Shampoo directly on top and lather. Rinse and finish with the Repairing Conditioner as a final step.The Pre-Shampoo helps:Transform your hair in one use. Visibly reverses hair damage.Reinforce the hairs inner structure.Provide up to 75% more shine.95% of women agree hair looks radically healthy.To use: Start by applying the Pre-Shampoo Hair Treatment generously before the shower to damp hair. Leave in for 5 minutes. Do not rinse.