Bain Décalcifiant Réparateur by Kérastase is a decalcifying repairing shampoo for damaged hair. A rich dual-action shampoo that works inside and out to remove calcium, strengthen and repair damaged hair. Gently cleanses scalp and hair while removing calcium residue. This professional-level shampoo gently cleanses the scalp and hair while removing calcium, which further weakens bleached or colored hair: Helps neutralise breakage and dullness, repairing hair at the core; Recreates 99% of hair's original strength* 73% shinier hair** Hair is stronger from within and 2x more hydrated** Dramatically repairs for 93% stronger hair**, like renewed *Instrumental test after 5 applications of Première Concentré + Bain + Fondant/Masque **instrumental test after 1 application of BainUse:Apply on wet hair, layered on top of CONCENTRÉ DÉCALCIFIANT ULTRA-RÉPARATEUR. Massage and emulsify. Rinse thoroughly. Follow with Première Fondant or Mask. Kérastase Première Bain Décalcifiant Rénovateur Shampoo 250 ml