Table 1.

5-Point Wrinkle Assessment Scale for NLF severity

Score	Severity descriptions
4	Extreme	Very deep wrinkle, redundant fold (overlapping skin)
3	Severe	Deep wrinkle, well-defined edges (but not overlapping)
2	Moderate	Moderately deep wrinkle
1	Mild	Shallow, just perceptible wrinkle
0	None	No wrinkle