The gold standard of bond repair—because your hair deserves a true transformation.K18 Bond Repair Mask is the only treatment powered by patented peptide technology that actually reverses extreme damage—from bleach, heat, and chemical treatments—restoring hair to its healthiest, strongest state. Unlike traditional bond builders, K18 works on a deeper level, rebuilding hair from the inside out for soft, resilient, and visibly healthier strands in just 4 minutes.