| Parameter | Score | Description |
| Erythema | 0 | No visible reaction |
| 1 - 2 | Slight redness | |
| 3 - 4 | Moderate redness | |
| 5 - 6 | Strong reaction, distinct redness, possibly some oedema | |
| 7 - 8 | Very strong reaction with blistering | |
| Dryness | 0 | Skin similar to surrounding area |
|
| 1 - 2 | Skin slightly dry and crinkled |
|
| 3 - 4 | Skin markedly dry |
|
| 5 - 6 | Skin very dry, flaking |
|
| 7 - 8 | Skin very dry, severe flaking, possibly cracking |
| Other Sign | X | No patch application |
|
| S | Reaction spreading outside patch site |
|
| - | Non-appearance of the subject for assessment of that patch |
|
| T | Tape reaction |
|
| a | Oedema |
|
| b | Papules |
|
| V | Vesicles |