Ann Dermatol.  2019 Apr;31(2):175-185. 10.5021/ad.2019.31.2.175.

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

Affiliations
  • 1Department of Dermatology, SMG-SNU Boramae Medical Center, Seoul, Korea. sycho@snu.ac.kr
  • 2Skin Research Institute, IEC Korea, Suwon, Korea.
  • 3Department of Beauty Coordination, Suwon Science College, Suwon, Korea.
  • 4Smart Beauty Life Lab, SKIN79, Inc., Seoul, Korea.

Abstract

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.

Keyword

Aging; Asian; Biophysical parameters; Climate; Cosmetics

MeSH Terms

Aging
Asian Continental Ancestry Group*
China
Climate
Cross-Sectional Studies
Elasticity
Female
Gyeonggi-do
Humans
Sebum
Skin Care
Skin Pigmentation
Skin*
Water
Water
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