| Skin type | Cryo | H2O2 | ||
| No. | % | No. | % | |
| II | 2 | 13.3 | 1 | 6.7 |
| III | 2 | 13.3 | 3 | 20.0 |
| IV | 6 | 40.0 | 7 | 46.7 |
| V | 5 | 33.3 | 4 | 26.7 |