The K18 Leave-In Molecular Repair Hair Mask is a revolutionary hair treatment that harnesses the power of patented peptide technology to restore and repair damaged hair from within. This advanced formula penetrates deep into the hair shaft to repair broken disulfide bonds, the building blocks of strong and healthy hair. Enriched with key active ingredients like biomimetic peptides, this hair mask works at the molecular level to strengthen and rebuild hair structure, resulting in visibly healthier, smoother, and more resilient hair. The lightweight, non-greasy texture absorbs quickly, leaving hair soft, manageable, and full of vitality. Experience the transformative benefits of K18 for hair that looks and feels rejuvenated with each use.