Area of the body	Fingertip unit required for one application	Weight of ointment required for one application (g)	Weight of ointment required for an adult male to treat twice daily for one week (g)
Face and neck	2.5	1.25	17.5
Trunk (front or back)	7	3.5	49
One arm	3	1.5	21
One hand (one side)	0.5	0.25	3.5
One leg	6	3	42
One foot	2	1	14