K18 Molecular Repair Hair Mist 300mlThe K18 professional molecular repair hair mist is meant to be used as the first part of the K18REPAIR service. How to use with a chemical service: Turn trigger to on position. Section dry hair into 4 quadrants. Apply a minimum of 10 full sprays of K18 professional molecular repair hair mist to each quadrant, increasing up to 20 sprays per quadrant as needed, depending on clients length, density, and level of damage. Wait 4 minutes (do not rinse out).