Première visibly reverses hair damage. This innovative dual-action repair for damaged hair leaves hair 99% stronger* and healthier. Use Première Mask for the ultimate routine for damaged hair. It repairs bonds & removes calcium build-up for stronger hair inside and out**. Repairs persistent damage, reversing stiffness and dullness caused by calcium buildup from your shower water for 75% more shine*** and 93% less breakage****. Adds hydration and visibly reduces the appearance of split ends Smooths and easily detangles Hair is stronger and shinier *Damage linked to frizz, dullness, roughness. Based on an instrumental and consumer test **System of Concentre, bain & fondant *vs. non conditioning shampoo ***vs. unwashed hair **** vs. non conditioning shampoo Prevents breakage Anti-Brekage Stronger Hair Stronger Hair Soft Hair Smooth Hair Key Ingredients Peptide & Glycine Full ingredient list PDP Section How To Apply Video How to Use Apply to shampooed, towel-dried hair. Massage through lengths and ends. Leave on for 5 minutes. Rinse. Kerastase Video Model Applying Chroma Absolu Conditioner