Table 2.
Post-inflammatory hyperpigmentation severity scale
| Grade | Overall disease severity | Pigmentary intensity of hyperpigmented lesions | Area of hyperpigmented lesions | Degree of hypopigmentation | Erythema, burning, peeling, dryness |
|---|---|---|---|---|---|
| 0 | Normal | None (normal) | None | None | None |
| 1 | Present but less than mild | Trace (mild and localized) | Trace (1–10% of face) | Trace (slight and localized) | Trace |
| 2 | Mild (slightly noticeable) | Mild (mild and diffuse) | Mild (11–25% of face) | Mild (slight and diffuse) | Mild |
| 3 | Between mild and moderate | Moderate (moderate and diffuse) | Moderate (26–40% of face) | Moderate (noticeable and diffuse) | Moderate |
| 4 | Moderate (noticeable) | Marked (moderate and dense) | Marked (41–50% of face) | Marked (noticeable and dense) | Marked |
| 5 | Between moderate and marked | Severe (prominent and dense) | Severe (> 50% of face) | Severe (complete lack of melanin pigmentation) | Severe |
| 6 | Marked (distinctive) | ||||
| 7 | Between marked and severe | ||||
| 8 | Severe (very distinctive) |
Republished with permission from Callender VD et al, J Clin Aesthet Dermatol 2012 [20]; conveyed through Copyright Clearance Center, Inc.