K18 Leave -In Molecular Repair Hair Mask: The leave-in treatment mask is a revolutionary solution suitable for all hair varieties, boasting the ability to clinically counteract damage in just four minutes. Its groundbreaking peptide technology is patented and specifically designed to mend the wear and tear caused by bleach, coloring, chemical treatments, and heat exposure. The result? Hair that's not only stronger but also softer, smoother, and full of life and bounce.