Calcium in water can further damage already delicate over-processed or bleached hair. Being more porous, damaged hair can absorb up to three times more calcium than natural hair. This haircare duo are formulated with a concentration of pure citric acid and glycine to decalcify hair from calcium overdose, visibly repair, and reduce the appearance of stiffness and dullness. Set Contents: Kérastase Première Decalcifying Repairing Shampoo for Damaged Hair with Pure Citric Acid and Glycine 250ml Suitable for all hair types, the shampoo removes excess calcium and helps visibly repair all types of damaged hair, including damage by heat tools, colour treatment, bleaching and over-processing. 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. The creamy shampoo transforms into a luxurious foam, with its dual-action formula targeting the calcium overdose from hard water to leave hair feeling smooth, manageable and bouncy. Decalcifying Repairing Conditioner for Damaged Hair 200ml The conditioner helps to remove excess calcium and visibly repair all types of damaged hair, including damage by heat tools, colour treatment, bleaching and over-processing. It works to recreate hair’s natural movement and bounce when used as part of the Première routine. The conditioner envelops hair with its lightweight jelly-like texture and helps restore visible strength and resilience. Up to 7x smoother* hair while providing up to 82% shinier hair*, and up to 2x softer hair*. Kérastase's first decalcifying repairing conditioner for all types of damaged hair. It works to recreate hair's natural movement and bounce when used as part of the Première routine strengthening the fibre. Instantly, movement is restored to over-processed or bleached hair. When hair is already damaged, excess calcium will accumulate, further weakening the cuticle and cortex of the hair. Kérastase Anti-Rigidity Decalcifying Repairing Conditioner dual action fights the effect of the calcium overdose, first decalcifying, then repairing hair. The rigid feel of hair, due to calcium in hard water, is neutralised, to protect against breakage, and helps repair hair from the inside out.** Kérastase Première Anti-Rigidity Decalcifying Repairing Conditioner envelops hair with its lightweight jelly-like texture and helps restore hair strength and resilience. Your hair is left amazingly soft, smooth, and supple. First, use the pre-shampoo treatment, Kérastase Première Decalcifying Repairing Pre-Shampoo treatment, and without rinsing, layer on Kérastase Repairing Shampoo for maximum decalcifying and repairing results. Why not try Repairing Anti-Frizz Filler Serum for even more restructuring hair care? *Instrumental test. **Instrumental test, after continued use with full Première routine. Suitable for all hair types, the Kérastase Première Bonding Advanced Repairing Conditioner deeply restores and intensely repairs all types of damaged hair. This includes damage from heat styling, colour treatment, bleaching, over-processing and even water in your shower. Formulated with a concentration of pure citric acid and glycine, the conditioner works to recreate hair’s natural movement and bounce when used as part of the Première routine, diving deep to repair hair from the inside out, restoring hair strength, and reversing its stiff, dull appearance. With its lightweight jelly-like texture, the Conditioner helps restore hair strength and resilience. Hair is left amazingly soft, smooth, and supple. Think of it like a skincare routine for your hair. Apply the Pre-Shampoo Treatment generously before the shower to damp hair, then after 5 minutes, layer the Shampoo directly on top and lather. Rinse and finish with the Première Repairing Conditioner as a final step. The Advanced Repairing Conditioner helps: Provide up to 7x smoother hair* Provide up to 82% shinier hair* Provide up to 2x softer hair* 95% of women agree hair looks radically healthy** *Instrumental test **Consumer perception test, 84 women.