K18 Leave-In Repair Hair Mask Treatment to Repair Dry or Damaged Hair – 4 Minutes to Reverse Hair Damage from Bleach, Color, Chemical Services and Heat

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 and heat* – with immediate and lasting results to restore strength, softness, smoothness and bounce to hair.