Kérastase Première Bain Décalcifiant Réparateur is a decalcifying, repairing shampoo for all types of over-processed or damage hair. This Sulfate-Free, professional Shampoo gently cleanses the scalp and hair while removing calcium, which further weakens treated hair. Hair is repaired from the inside out, breakage reduced and it's health restored. 

It's dual-action fights the calcium overdose from hard water that attacks your already damaged or bleached hair, leaving it dull, lifeless and limp. It also restores keratin links within the hair shaft, repairing hair at the core. Hair is left feeling smooth and manageable, shiny and bouncy.