Gender-dependent differences in degree of facial wrinkles

Background/purpose

This study aimed to reveal gender-dependent differences in the degree of facial wrinkles.



Methods

Subjects comprised 173 Japanese men and women, divided into four groups according to age. Photographs were taken from nine facial regions and used to classify the intensity of wrinkles into five grades. In addition, replicas were taken from five facial sites and used to measure surface roughness. Data were compared between men and women within each age group.



Results

In all age groups, men showed increased forehead wrinkles compared with women. In contrast, no gender-dependent differences were found in upper ...

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