The Kérastase Première Decalcifying System Reparative Shampoo is designed for damaged hair. This rich, double-action shampoo works inside and out to free hair from calcium build-up that leads to breakage, stiffness & dullness. Stock up and save with this double pack. The Kérastase Première range helps reconnect broken keratin bonds for stronger, healthier-looking, shinier hair **. Repair persistent damage and reconnect broken keratin links by leaving on the Kérastase Première Decalcifying Repairing Pre-Shampoo Treatment without rinsing, before layering with Kérastase Première Decalcifying Repairing Shampoo, then rinsing out both. Finish with Kérastase Première Decalcifying Repairing Conditioner as a final step, and discover stronger, healthier-looking, and shinier hair – as if renewed. RESTORES HAIR'S ORIGINAL STRENGTH* Ingredients: AQUA / WATER / EAU ● SODIUM COCOYL ISETHIONATE ● DISODIUM LAURETH SULFOSUCCINATE ● GLYCOL DISTEARATE ● SODIUM LAURYL SULFOACETATE ● SODIUM LAUROYL SARCOSINATE ● GLYCERIN ● PARFUM / FRAGRANCE ● PPG-5-CETETH-20 ● DECYL GLUCOSIDE ● COCAMIDOPROPYL BETAINE ● COCO-BETAINE ● CITRIC ACID ● DIVINYLDIMETHICONE/DIMETHICONE COPOLYMER ● AMODIMETHICONE ● SODIUM HYDROXIDE ● POLYQUATERNIUM-7 ● POLYQUATERNIUM-10 ● CARBOMER ● SODIUM BENZOATE ● SODIUM CHLORIDE ● LIMONENE ● PEG-55 PROPYLENE GLYCOL OLEATE ● PROPYLENE GLYCOL ● SALICYLIC ACID ● BENZOIC ACID ● HYDROLYZED VEGETABLE PROTEIN PG-PROPYL SILANETRIOL ● GLYCINE ● POLYSORBATE 21 ● TRIDECETH-6 ● LINALOOL ● C12-13 ALKETH-23 ● C12-13 ALKETH-3 ● CITRAL ● CETRIMONIUM CHLORIDE ● PHENOXYETHANOL ● POTASSIUM SORBATE ● *Instrumental test on bleached hair after continued use of the full Première routine vs. non-bleached hair. **Instrumental test on sensitised hair after continued use.