Create big boudoir hair & overall volume without weighing the hair down with L' Oréal Professionnel Tecni Art Full Volume Extra Mousse. Directions for use: Apply L' Oréal Professionnel Tecni Art Full Volume Extra Mousse to towel-dried hair. Shake the can well & hold upside down. Release 1-2 mandarin sized amounts into hands. Spread evenly through hair with a comb or fingers & blow-dry in.