Research progress of the role of laser on facial skin rejuvenation
Over the past decade,laser skin resurfacing has changed the traditional approach to facial skin rejuvenation.The biological effects of laser treatments are mainly the activation of fibroblasts and keratinocytes,the promotion of collagen and elastin fiber synthesis in the dermis,and the reduction of matrix metalloproteinases(MMPs)expression.This article comprehensively analyzes the clinical symptoms and histological features of facial skin aging,as well as the mechanism of action of different types of laser treatment techniques and their application in facial skin rejuvenation,to provide clinical strategies and recommendations for the application of lasers in skin rejuvenation.
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