Shop K18 haircare in NZ - advanced biotech formulas that repair damage at a molecular level. Start with the cult-favourite K18 Leave-In Molecular Repair Mask, then explore the growing range of styling innovations including the Peptide Prep Shampoo, Molecular Repair Hair Oil,Astrolift Volume Spray, and AirWash Dry Shampoo. Restore strength, softness, and shine in just 4 minutes.