Comparative Analysis of Intrinsic Skin Aging Between Caucasian and Asian Subjects by Slide-free in Vivo Harmonic Generation Microscopy

Overview

Journal J Biophotonics

Date 2019 Nov 21

PMID 31747129

Citations 8

Authors

Kuan-Hung Lin

Yi-Hua Liao

Ming-Liang Wei

Chi-Kuang Sun

Affiliations

Soon will be listed here.

Abstract

Phenotypical and functional differences in the intrinsic skin aging process of individuals between Caucasians and Asians have generated considerable interest in dermatology and cosmetic industry. Most of the studies focused on the stratum corneum, and in some other studies inter-individual differences overwhelms the racial difference. None of the studies comparatively analyzes the difference from the histopathological point of view. Here we report our harmonic generation microscopy study to analyze the difference of intrinsic aging between Caucasian and Asian skin from a histopathological point of view. As a result, the cellular and nuclear areas of basal cells in Caucasian subjects were found to increase at the same rate as the Asian subjects, ideal for scoring age. The maximum thickness of the viable epidermis, the dermal papilla (DP) volume per unit area and the depth of the DP zone in Caucasians were found to decrease at faster rates than those in Asians.

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