| Score |
Category |
Description |
| 1 |
Absent |
Fold not visible; continuous line of skin. |
| 2 |
Mild |
Superficial fold, but visible and with a mild depression. |
| 3 |
Moderate |
Moderately deep fold, less than 1 mm deep. |
| 4 |
Severe |
Very long and deep fold, less than 2 mm deep. |
| 5 |
Extreme |
Long and extremely deep fold, 2 to 4 mm deep, producing an older facial aspect. |
|