Kérastase Première Decalcifying Reparative Shampoo

Kérastase Première Decalcifying Reparative Shampoo is a sulfate-free decalcifying shampoo for hair that is damaged or weakened by chemical treatments. It cleans the scalp and hair gently, and it helps remove excess calcium that builds up due to hard water. Because damaged hair absorbs more calcium, it becomes rigid and prone to breakage. However, with this formula, you are able to address that overload from the first wash. The shampoo transforms from a creamy texture into a smooth, rich lather. As it works, it targets calcium inside and on the surface of the hair. In fact, its dual action supports both detoxification and repair. As a result, hair becomes easier to detangle, and it feels more flexible. In addition, restoring keratin links helps improve the structure of the hair fiber over time.

The formula is powered by two key ingredients. Citric Acid acts from the core to the surface of the hair, and it helps dissolve excess calcium that causes dullness and stiffness. Meanwhile, once the calcium is lifted, Glycine penetrates the inner layer of the fiber to reinforce it. This combination supports internal repair, therefore reducing breakage linked to repeated exposure to hard water. Because calcium accumulation often affects tone and shine, consistent use helps maintain a smoother and more uniform appearance. The shampoo also prepares the hair for the remaining steps of the range, so it can be used before treatments or masks. Overall, the formula supports healthier-looking hair by addressing one of the main causes of persistent damage: calcium overload. With regular use, hair becomes softer, more manageable, and less prone to breakage.

Characteristics

• Texture: creamy;
• Hair issues: damaged hair, calcium overload, loss of shine, breakage;
• Time of application: during shower;
• Age: 18+;
• Hair type: all hair types;
• Main benefits: gently cleanses hair and scalp, helps remove excess calcium, reduces dullness and rigidity, supports reinforcement of keratin links, reduces breakage over time, improves softness and flexibility, prepares the hair for subsequent repair treatments;
• Formulated without: sulfates.

Main Ingredients

• Citric Acid helps dissolve excess calcium from the hair fiber to reduce dullness and rigidity;
• Glycine penetrates the inner layers of the hair to support deep repair once calcium is removed.

How to use

Apply Kérastase Première Decalcifying Reparative Shampoo to damp hair over the Kérastase Première Ultra-Repairing Decalcifying Concentrate then massage and emulsify before rinsing thoroughly, and follow with products from the same range.