K18 Biomimetic Hairscience Pro Molecular Repair Hair Mask - Various Sizes Rebuild and restore damaged hair from the inside out with patented K18PEPTIDE™ biomimetic technology — the 4-minute leave-in hair mask that repairs broken keratin bonds for stronger, smoother, healthier-looking hair. Available in multiple sizes (15 ml / 50 ml / 100 ml / 150 ml) to suit daily care, travel, and professional use.
