Kérastase Discipline Maskeratine is a rich and luxurious mask that will provide your hair with intensive conditioning and nourishment, whilst protecting against humidity and frizz. Boasting a pro-keratin formula, it helps to repair your hair from the inside out to produce tresses that are more manageable. Frizz will be reduced and your hair will have increased fluidity. - L.M. Directions for Use: Apply to washed, towel-dried hair Massage into the hair from roots to ends Leave in for 3-5 minutes Rinse