K18 As hair care "editors," K18's ethos is about providing you with the tools you need to express who you are, try new trends and enjoy your beauty—without sacrificing the softness, strength, and vitality of your hair. By understanding the biology of your hair, the K18 team was able to get to (*important*) the root of the hair-damage problem, and—crucially—discover the hero bioactive peptide that will restore strands to their healthiest state. Enter: K18Peptide, a patented molecule that travels into polypeptide chains (the very innermost layer of your hair) where it repairs broken bonds and restores hair's strength and elasticity. This is where biotechnology meets hair care