The Kérastase Resistance Bain Force Architecte is a strengthening shampoo specifically designed to address hair that is weakened, damaged, or brittle. It works to rebuild the internal structure of the hair fiber, providing enhanced resilience and resistance against future breakage. This high-performance formula gently cleanses while deeply fortifying the hair from root to tip. Regular use helps to restore optimal strength and vitality, making your hair feel healthier and more robust.