If the hairs are long, trim back to 1/2″ (1 cm). Place your arm behind your head as far back as you can. Note the growth pattern of your hair as it varies widely from person to person. In general, divide the area into north and south. Apply a dusting of baby powder or corn starch to the entire area to absorb moisture. Apply southward in the lower portion and northward in the upper portion. Work on only 1/2″ (1 cm) of the area at a time. Spread MOOM® evenly & thinly with the edge of the applicator in the direction of the arrows, one section at a time, starting from the center. Follow the steps outlined under General Directions. When you are finished, you may wish to refresh the area with some clean ice cubes if necessary. Do not use deodorant or antiperspirants for 12 hours after underarm application