Kérastase Première Decalcifying Repairing Shampoo, Conditioner, and Mini Première Pre-Shampoo Treatment, this trio is your solution for damaged hair. The pre-shampoo treatment removes excess calcium and repairs persistent damage, while the shampoo gently cleanses and restores keratin links within the hair shaft. Follow up with the repairing conditioner, which neutralizes the rigid feel of hair due to calcium build up, protecting against breakage and restoring strength and resilience.