K18 Biomimetic Hairscience Leave-In Molecular Repair Hair Mask is a revolutionary professional-grade treatment designed to restore damaged hair at the molecular level. Featuring the patented K18 Peptide™, this mask reconnects broken keratin chains caused by bleaching, coloring, and chemical processes, effectively rebuilding hair structure from within. Its leave-in formula requires no rinsing—simply apply to damp hair after washing to experience clinically proven repair. After just one use, hair feels noticeably softer, smoother, and more resilient, regaining natural bounce and strength for a salon-quality finish.
