The Kerastase Première Decalcifying Repairing Pre-Shampoo Treatment is a specialised hair care product designed to restore shine and strength. It features a concentrated formula with citric acid and glycine to combat hard water build-up. Use it by applying to wet hair, leaving on for four minutes, then shampooing as usual.
Damaged hair needs extra attention to restore its natural shine - which is why Kerastase created the Première range. The Decalcifying Repairing Pre-Shampoo Treatment should be applied to wet lengths, left on for at least four minutes and instantly followed by shampoo to instil strength back into broken locks. The formula is concentrated with pure citric acid and glycine to combat excess calcium found in hard water.