Seasonal variability in the biophysical properties of forehead skin in women in Guangzhou City, China

Wan, Miaojian; Su, Xiangyang; Zheng, Yue; Gong, Zijian; Yi, Jing; Zhao, Yue; Xiao-min, Guan; Wei, Lai

doi:10.1111/ijd.12741

Cited by 31 publications

(47 citation statements)

References 23 publications

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“…This difference is probably related to sex or engagement in more outdoor activities under the sun for men . Moreover, pH, which is generally accepted to be beneficial for skin barrier function and skin moisturization in facial skin, showed no significant correlation with age in our study. The change in skin tone is one of the primary features of skin aging in sun‐exposed area, such as face and neck .…”

Section: Discussioncontrasting

confidence: 76%

Characteristic features of neck skin aging in Chinese women

Xie

Wang²,

Zeng³

et al. 2018

J of Cosmetic Dermatology

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Section: Discussioncontrasting

confidence: 76%

Characteristic features of neck skin aging in Chinese women

Xie

Wang²,

Zeng³

et al. 2018

J of Cosmetic Dermatology

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“…Several Asian studies have investigated association be- tween cutaneous biophysical parameters and age, climate, or skin care habits, but most studies have included only small number of participants who are from a one nation 2,6,16 . Our study is the first study that investigated biophysical parameters in a large number of Korean and Chinese women (northeast Asian).…”

Section: Discussionmentioning

confidence: 99%

“…Understanding the changes in biophysical characteristics of the skin may be useful for developing a proper approach to skin care and to predict and manage skin diseases 3,5,6 . Although there are a few previous studies on the age- [4][5][6][7][8][9][10][11][12][13][14][15] , climate- 1,16 , and skin care habit-related 2,8 changes in biophysical parameters of Caucasian women, there are a limited number of reports for Asian women. This study aimed to investigate the variations of biophysical parameters in Chinese and Korean women (northeast Asians) and to assess the association between these parameters and age, climate, and cosmetic habits.…”

Section: Introductionmentioning

confidence: 99%

Different Cosmetic Habits Can Affect the Biophysical Profile of Facial Skin: A Study of Korean and Chinese Women

Shin

Kim

et al. 2019

Ann Dermatol

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Background: Previous studies on the age-, climate, and skin care habit-related changes of biophysical parameters have mainly focused on Caucasians, and studies on Asians are in paucity. Objective: This study was aimed to investigate the variations of cutaneous biophysical parameters in Chinese and Korean women (northeast Asians) and to assess the association between those parameters and age, climate, and cosmetic habits. Methods: A cross-sectional study included 361 healthy Chinese and Korean women between 18 and 49 years of age in 4 cities (Guangzhou, Nanjing, and Shijiazhuang in China, and Suwon in Korea). We measured skin surface temperature, hydration, transepidermal water loss (TEWL), sebum, elasticity, skin pore, wrinkle, and skin tone (brightness) using non-invasive instruments. Demographic profiles and cosmetic habits were assessed using a questionnaire. Results: Skin elasticity and tone decreased, and pore size and wrinkle increased with age. Subjects in Suwon (Korean) showed higher hydration level, lower TEWL and lower sebum, less severe wrinkle and brighter skin than those in the 3 cities in China. After adjusting for age and region, using sunscreen everyday, wearing base makeup daily, and using moisturizers improved hydration, TEWL, and elasticity significantly. Conclusion: Women in Suwon (Korea) were found to have a better profile of biophysical parameters than women in the 3 Chinese cities, which might be attributed to cosmetic habits, besides age and climatic factors. The fact that appropriate cosmetic habits are associated with favorable skin biophysical parameters underscores the importance of daily skin care routine in preserving skin functions. (Ann Dermatol 31(2) 175∼185, 2019

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“…The stratum corneum forms the acid mantle by exogenous and endogenous mechanisms such as the Na + /H + antiporter, secretory phospholipase, sebum, and sweat [12]. Therefore, when sweat secretion is higher in summer, the skin pH is low [13].…”

Section: Discussionmentioning

confidence: 99%

The Effects of Regional Climate and Aging on Seasonal Variations in Chinese Women’s Skin Characteristics

Kim¹,

Han²,

Park³

et al. 2017

JCDSA

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OBJECTIVES: Skin characteristics change depending on the external environment such as UV, temperature and humidity. But the research how to affect the regional climate, age and seasonal variation on the skin conditions was not well studied. Therefore, we investigated the seasonal variation in the skin by comparing Beijing women and Guangzhou women by age groups. METHODS: 440 healthy Chinese women participated in this study. The skin hydration, sebum secretion, TEWL and skin pH were measured on the cheek front. All the parameters were analyzed in terms of the age, season and region. RESULTS: The skin hydration in Beijing was lower than that in Guangzhou and significantly decreased during winter than summer. The sebum secretion in their 20s and 30s was significantly high in summer in both regions, and this phenomenon was more remarkable in Guangzhou (p < 0.05). The skin pH increased with age during winter, but it decreased in the old age groups in Beijing during summer. TEWL increased during winter, and differences in TEWL between summer and winter were greater in the old age groups. CON-CLUSIONS: Skin hydration and barrier function decreased more during a cold, dry winter than summer. The barrier dysfunctions such as an increase in TEWL and pH occurred more commonly in old age groups. The greater the differences between summer and winter climates, the greater damage to skin barrier and skin hydration. The sebum secretion was more affected by hot, humid summers. Further, the aged skin was influenced by seasonal variation except for sebum secretion.

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Seasonal variability in the biophysical properties of forehead skin in women in Guangzhou City, China

Abstract: Facial skin physiology showed seasonal variations in China. The reasons for the changes may refer to seasonal changes in temperature, humidity, and UV radiation.

Cited by 31 publications

References 23 publications

Characteristic features of neck skin aging in Chinese women

Characteristic features of neck skin aging in Chinese women

Different Cosmetic Habits Can Affect the Biophysical Profile of Facial Skin: A Study of Korean and Chinese Women

The Effects of Regional Climate and Aging on Seasonal Variations in Chinese Women’s Skin Characteristics

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