Introducing K18 Biomimetic Hairscience, a new haircare brand that aims to change the game. The brand is launching with a leave-in molecular repair hair mask and a professional leave-in hair mist + mask treatment.   Leave-In Molecular Repair Hair Mask   This hair mask is a patented, leave-in treatment with active biotechnology that works on a molecular level to repair even the most extreme damage – reversing hair to its most youthful, healthy state in minutes.   Thanks to the brand’s patent...