The secret to SCHWARZKOPF BC REPAIR RESCUE lies in our highest concentrationof breakthrough proteolipids, a powerful combination of hydrolyzed keratin andlipid components, that restore the protective layer of virgin hair. The AminoCell Rebuild, with Amino Acids and Panthenol, acts to perfect the cortex,rebuilding the architecture of the hair from the inside out, restoringstrength and elasticity, while adding vital moisture. The Cell PerfectorTechnology provides additional care – repairing the hair by filling structuralgaps, restoring elasticity and imparting deep shine throughout.