K18

K18 Hair leverages biomimetic peptide science to deliver next-level molecular repair. Its core innovation is the patented K18Peptide, a biotechnology that reconnects broken polypeptide (keratin) chains and disulfide bonds deep within the hair’s core. This leave-in mask reverses damage from bleach, color, and heat in just four minutes, offering a “less-is-more” approach to durable, lasting hair repair.