| 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 |