| Subject | Age (yrs.) | Sex | Skin type* | Treatment # | Coated/uncoated |
| 1 | 18 | M | I | 4 | uncoated |
| 2 | 41 | F | V | 4 | coated |
| 3 | 17 | F | IV | 4 | coated |
| 4 | 24 | F | IV | 4 | coated |
| 5 | 26 | F | III | 4 | uncoated |
| 6 | 18 | F | IV | 5 | coated |
| 7 | 19 | M | III | 4 | uncoated |
| 8 | 22 | F | II | 4 | uncoated |