Table 1 Korean acne grading system
From: Effects of the myrtle essential oil on the acne skin—clinical trials for Korean women
Grade | Description |
|---|---|
1 | Papulesa ≤ 10 |
2 | Papules 11–30 |
3 | Papules ≥ 31, nodulesb ≤ 10 |
4 | Nodules 11–20, ± mild ongoing scars |
5 | Nodules 21–30, ± moderate ongoing scars |
6 | Nodules ≥ 31, ± severe ongoing scars, ± sinus tract |