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 |