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.
Table 1: Wrinkle Severity Rating Scale (WSRS).