The Kérastase melting extensionist resistance, is a conditioner to strengthen the length of the hair. A real conditioner for damaged hair. Breakdown is much easier after its application, it prevents breakage and brings silk to the hair thanks to its ceramides and maleic acid content. Hair quality visibly improves both at the ends and throughout the length of the hair, as the hair fibers are sealed and repaired. Rebuilds hair and provides intense nutrition from the inside, from root to ends. Its light cream consistency is easy to rinse out, leaving hair silky.