This professional-grade treatment from the Kérastase Resistance line is formulated to rebuild and fortify damaged hair fiber from the inside out. Utilizing the unique Vita-Ciment Complex, it targets areas of past damage, providing comprehensive repair and enhanced resilience against future breakage. Application transforms brittle, weakened strands, restoring strength and body without weighing hair down. It is an essential step in a comprehensive routine for anyone looking to restore the integrity of chemically or mechanically damaged hair.