| The condition of facial skin | Number of tested people | Number of positive people | Positive rate (%) |
| Acne | 82 | 45 | 54.88 |
| Seborrheic dermatitis | 32 | 15 | 47.34 |
| Folliculitis or hair follicle expansion | 29 | 12 | 41.38 |
| Normal | 457 | 123 | 26.91 |