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The Interaction of Age and Anatomical Region Influenced Skin Biophysical Characteristics of Chinese Women

BACKGROUND: Ageing is an inevitable physiology process of humans, and skin biophysical parameters change owing to genetic and environmental factors in different ethnic populations. AIM: To gain comprehensive data on the skin biophysical parameters of different anatomical regions and to explore the c...

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Autores principales: Pan, Yao, Ma, Xue, Zhao, Jinfeng, Yan, Shiyu, Liu, Qi, Zhao, Hua
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Dove 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7732761/
https://www.ncbi.nlm.nih.gov/pubmed/33324083
http://dx.doi.org/10.2147/CCID.S286402
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author Pan, Yao
Ma, Xue
Zhao, Jinfeng
Yan, Shiyu
Liu, Qi
Zhao, Hua
author_facet Pan, Yao
Ma, Xue
Zhao, Jinfeng
Yan, Shiyu
Liu, Qi
Zhao, Hua
author_sort Pan, Yao
collection PubMed
description BACKGROUND: Ageing is an inevitable physiology process of humans, and skin biophysical parameters change owing to genetic and environmental factors in different ethnic populations. AIM: To gain comprehensive data on the skin biophysical parameters of different anatomical regions and to explore the change trend of the skin characteristics associated with age for the indicated regions by generalized additive model. METHODS: We measured various skin biophysical parameters on forehead, cheek, chin and inner forearm of 178 Chinese women aged between 20 and 64 years living in Beijing. These parameters comprised skin hydration, transepidermal water loss (TEWL), sebum content, erythema index (EI), melanin index (MI), L*a*b* values, individual typology angle (ITA) and pH, which were quantified by non-invasive instruments. RESULTS: Comparing the skin parameters among the four test areas, we observed that the hydration, TEWL, EI and a* values were significantly higher for the face than for the forearm, but the L* and ITA values were just the opposite. The cheek was the lightest and brightest region with lowest sebum content, while the chin was much darker and the forehead was yellowish. Considering the change of the skin parameters with age, TEWL, sebum content and melanin and erythema indices had a linear relationship with age, whereas skin hydration, L, a, b, ITA and pH values exhibited a non-monotonic relationship. The turning points of these curves appeared almost at the thirties, showing the lightest and evenest skin color and more hydration, with lower pH values. CONCLUSION: This study indicates that the skin biophysical characteristics of Chinese women were significantly affected by age and body regions.
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spelling pubmed-77327612020-12-14 The Interaction of Age and Anatomical Region Influenced Skin Biophysical Characteristics of Chinese Women Pan, Yao Ma, Xue Zhao, Jinfeng Yan, Shiyu Liu, Qi Zhao, Hua Clin Cosmet Investig Dermatol Original Research BACKGROUND: Ageing is an inevitable physiology process of humans, and skin biophysical parameters change owing to genetic and environmental factors in different ethnic populations. AIM: To gain comprehensive data on the skin biophysical parameters of different anatomical regions and to explore the change trend of the skin characteristics associated with age for the indicated regions by generalized additive model. METHODS: We measured various skin biophysical parameters on forehead, cheek, chin and inner forearm of 178 Chinese women aged between 20 and 64 years living in Beijing. These parameters comprised skin hydration, transepidermal water loss (TEWL), sebum content, erythema index (EI), melanin index (MI), L*a*b* values, individual typology angle (ITA) and pH, which were quantified by non-invasive instruments. RESULTS: Comparing the skin parameters among the four test areas, we observed that the hydration, TEWL, EI and a* values were significantly higher for the face than for the forearm, but the L* and ITA values were just the opposite. The cheek was the lightest and brightest region with lowest sebum content, while the chin was much darker and the forehead was yellowish. Considering the change of the skin parameters with age, TEWL, sebum content and melanin and erythema indices had a linear relationship with age, whereas skin hydration, L, a, b, ITA and pH values exhibited a non-monotonic relationship. The turning points of these curves appeared almost at the thirties, showing the lightest and evenest skin color and more hydration, with lower pH values. CONCLUSION: This study indicates that the skin biophysical characteristics of Chinese women were significantly affected by age and body regions. Dove 2020-12-07 /pmc/articles/PMC7732761/ /pubmed/33324083 http://dx.doi.org/10.2147/CCID.S286402 Text en © 2020 Pan et al. http://creativecommons.org/licenses/by-nc/3.0/ This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms (https://www.dovepress.com/terms.php).
spellingShingle Original Research
Pan, Yao
Ma, Xue
Zhao, Jinfeng
Yan, Shiyu
Liu, Qi
Zhao, Hua
The Interaction of Age and Anatomical Region Influenced Skin Biophysical Characteristics of Chinese Women
title The Interaction of Age and Anatomical Region Influenced Skin Biophysical Characteristics of Chinese Women
title_full The Interaction of Age and Anatomical Region Influenced Skin Biophysical Characteristics of Chinese Women
title_fullStr The Interaction of Age and Anatomical Region Influenced Skin Biophysical Characteristics of Chinese Women
title_full_unstemmed The Interaction of Age and Anatomical Region Influenced Skin Biophysical Characteristics of Chinese Women
title_short The Interaction of Age and Anatomical Region Influenced Skin Biophysical Characteristics of Chinese Women
title_sort interaction of age and anatomical region influenced skin biophysical characteristics of chinese women
topic Original Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7732761/
https://www.ncbi.nlm.nih.gov/pubmed/33324083
http://dx.doi.org/10.2147/CCID.S286402
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