Extra small areas:

ears, breasts, feet and toes (knuckles)

Small areas:

chin, upper lip, sideburns, ears, nose, forehead, cheeks, front of neck, back of neck, hand, feet

Medium areas:

underarms, abdomen, women's shoulder area, women's chest, bikini line, beard, buttocks

Large areas:

bikini, lower legs, entire arm, men's shoulder

Extra large areas:

Man's back, entire leg, full brazilian, men's chest