The first balm-in-shampoo. Designed for hair with an erosion level of 3-4, Kérastase Resistance Bain Thérapiste Balm-in-Shampoo helps renew the appearance of fibre quality. Featuring new packaging specifically designed for the jelly-like texture. Additional benefits: - Envelopes the hair fibre during cleansing. - Friction is reduced during cleansing. - The hair is protected from further damage. Enriched with a breakthrough formula, featuring: - FIBRA-KAP. - Sève de Résurrection.