Moroccanoil Oil Treatment is an all-in-one hair treatment. It is infused with argan oil and vitamins which boost shine. Moroccanoil Oil Treatment will leave your hair feeling soft and smooth. It controls frizz and improve your hair's manageability. To use, apply the either damp or dry hair. Start from the mid-length of your hair to its ends. May be used as a primer, shine finisher, or a leave-on hair conditioner.