K18 Leave-In Molecular Repair Hair Mask is a leave-in treatment designed to repair damaged hair from chemical services, heat styling, and mechanical stress. Its lightweight formula works at the molecular...

A leave-in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE™ is clinically proven to repair damage from bleach + color, chemical services...

K18 x Future Society Leave-In Molecular Hair Mask is a limited-edition version of K18’s bestselling molecular repair treatment, featuring the signature Floating Forest biotech fragrance. Powered by patented K18PEPTIDE™, it...

K18 Salon Blowout At Home is a limited-edition three-piece set designed to help you create a smooth, voluminous, salon-style blowout at home while repairing and protecting the hair from styling...