A post shampoo oil treatment for thick frizzy dry or unmanageable hair protects hair against humidity while taming frizz hair appears softer smoother bouncier more manageable comes with a brush for application for professional use only to use after shampooing pour 1 dose into a bowl apply contents to damp hair section by section using the included brush do not rinse apply the liss unlimited masque to hair leave for 2 3 minutes rinse thoroughly