Kérastase Première Bain Décalcifiant Réparateur Shampoo 500ml is a decalcifying repairing shampoo from the celebrated French professional haircare house Kérastase. Part of the Première anti-damage line, the 500ml salon-size bottle delivers a clarifying-yet-repairing wash designed to remove calcium build-up from hard water while gently repairing the hair fibre.
About Kérastase
Kérastase is the celebrated French professional haircare house founded in 1964 as the prestige professional division of L'Oréal. The brand is one of the most trusted salon-grade hair brands worldwide, with each line — including the Première anti-damage range — formulated to address specific hair concerns at clinical-strength concentrations.
What it does
- Decalcifies the hair fibre — removes calcium build-up from hard water
- Repairing wash — Première anti-damage signature
- Suits damaged or chemically treated hair — coloured, lightened or heat-damaged
- Generous 500ml salon-size bottle — long-lasting
- Salon-grade Kérastase quality — professional haircare standard
Who it's for
Suits anyone with damaged, brittle or chemically-treated hair who lives in a hard-water area and notices reduced softness or shine. Particularly well suited to those who colour or lighten their hair and want a clarifying-yet-repairing weekly or twice-weekly wash.
How to use
- Apply to wet hair and massage into a lather across the scalp and lengths
- Rinse thoroughly with lukewarm water
- Repeat if needed for a deeper cleanse
- Follow with the matching Première Fondant Fluidité Réparateur Conditioner
Specifications
- Size: 500ml
- Format: Decalcifying repairing shampoo
- Hair type: Damaged, chemically-treated, hard-water exposed
- Gender: Unisex
- Brand: Kérastase
- Range: Première Bain Décalcifiant Réparateur



