Kerastase Premiere Repair Pre-Shampoo Treatment - Dual-Action for Stronger Hair, Repairs Damage & Calcium Build-Up, 93% Less Breakage, With Citric Acid Cradle to Cradle Certified

This innovative dual action formula removes calcium buildup that causes damage and reconnects broken links between keratin chains for less breakage. It repairs persistent damage, reversing stiffness and dullness for enhanced shine.