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Draize’s dermal irritation scoring model adopted for dermal assessment, as per OECD recommendation.
| Erythema and Eschar Formation | Value | Edema Formation | Value |
|---|---|---|---|
| No erythema | 0 | No edema | 0 |
| Very slight erythema (barely perceptible) | 1 | Very slight edema (barely perceptible) | 1 |
| Well-defined erythema | 2 | Slight edema (edges of area well defined by definite raising) | 2 |
| Moderate to severe erythema | 3 | Moderate edema (raised approximately 1 mm) | 3 |
