Airborne Particle Exposure and Skin Aging
For decades, extrinsic skin aging has been known to result from chronic exposure to solar radiation and, more recently, to tobacco smoke. In this study, we have assessed the influence of air pollution on skin aging in 400 Caucasian women aged 70–80 years.
A significant association was found between traffic-related airborne particles and signs of extrinsic skin aging, i.e., pigment spots on face and nasolabial fold.
This study provides epidemiological evidence that traffic-related particulate matter represents an important environmental factor that contributes to extrinsic skin aging in humans.