“…Most of the instrumental findings suggest that the functional aspects of the skin surface deteriorate with such seasonal changes. These findings further extend our previously obtained results, which described the multiple effects of increasing age , by evaluating the impact of seasons in the same population. Based on the dermatological assessments in this study, these subjects from the different Asian cities tended to have slightly smoother skin, slightly less wrinkles, less mottled hyperpigementation and lentigines, and a decrease in firmness during winter compared with the summer season.…”