This Kérastase Première Bundle includes: 

Kérastase Première Decalcifying Repairing Pre-Shampoo Hair Treatment for Damaged Hair with Pure Citric Acid and Glycine 250ml:  Our first pre-shampoo treatment that removes excess calcium and helps repair all types of damaged hair. Hard water with calcium can further damage already delicate over-processed or bleached hair. Because it’s more porous, damaged hair can absorb up to 3 times more calcium than natural hair. 

Kérastase Première Decalcifying Repairing Shampoo for Damaged Hair with Pure Citric Acid and Glycine 250ml : Kérastase Première Decalcifying Repairing Shampoo is a decalcifying, repairing shampoo for all types of over-processed or damaged hair. This professional-level shampoo gently cleanses the scalp and hair while removing excess calcium*, which further weakens treated hair. Use the full routine to help repair hair from the inside out, reduce breakage and restore a healthy feel to the hair.