The Kérastase Première Limited Edition Set for Rebuilding and Repair is a complete professional haircare ritual designed to restore strength, smoothness, and luminosity to severely damaged hair. This curated trio includes the Concentré Décalcifant Ultra-Réparateur (250 ml), a powerful decalcifying concentrate that fortifies each strand from within, leaving hair noticeably stronger and brilliantly shiny; the Bain Décalcifiant Réparateur (250 ml), a reparative cleansing bath that deeply treats and rebuilds hair compromised by heat, color, or chemical damage; and the Fondant Fluidité Réparateur (200 ml), a silky conditioner that seals the cuticle, ensures effortless detangling, and delivers a fluid, polished finish with every use.