| Grade 1 (Mild) | Comedones only |
|---|---|
| Grade 2 (Moderate) | Comedones and inflammatory papules |
| Grade 3 (Moderate) | Comedones, inflammatory papules, and pustules |
| Grade 4 (Severe) | Comedones, inflammatory papules, pustules, nodules, cysts, or scars |
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| Grade 1 (Mild) | Comedones only |
|---|---|
| Grade 2 (Moderate) | Comedones and inflammatory papules |
| Grade 3 (Moderate) | Comedones, inflammatory papules, and pustules |
| Grade 4 (Severe) | Comedones, inflammatory papules, pustules, nodules, cysts, or scars |
