K18 Leave‑In Molecular Hair Mask is an advanced leave-in treatment designed to repair dry and damaged hair at the molecular level. Powered by the patented K18PEPTIDE™, the formula helps reconnect broken keratin chains caused by bleach, coloring, chemical treatments, and heat styling. In just 4 minutes, it helps restore hair strength, softness, smoothness, and bounce while reducing breakage. The lightweight leave-in cream works on all hair types and delivers lasting repair without needing to rinse.
