K18 Prep & Leave In Kit

K18 is a biotech haircare brand known for its breakthrough in hair repair. Using the patented K18Peptide™, it reverses damage from chemical treatments, heat, and environmental stress by reconnecting broken keratin chains. Unlike traditional treatments, K18 repairs hair from the inside out in just four minutes, offering lasting results. With a science-first approach, K18 helps people restore their healthiest hair without sacrificing time or performance.