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KMID : 0604520170430040297
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Journal of the Society of Cosmetic Scientists of Korea
2017 Volume.43 No. 4 p.297 ~ p.307
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The Comparison of Skin Physical Parameters in Asian Women
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Lee Jung-Ah
Song Eun-Jeung
Park Jung-Jun
Kim Hyun-Ju
Kim Sin-Hae
Kim Nam-Soo
Moon Tae-Kee
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Abstract
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Skin properties are influenced by a variety of internal or external factors. This study was conducted to investigate and compare the skin characteristics in Asian women. We evaluated values of skin physical parameters, and then assessed the correlations among the parameters, and regional differences in 1,500 Asian subjects in seven countries (Malaysia, Indonesia, Vietnam, Thailand, India, China, and South Korea). The values of transepidermal water loss (TEWL), pH, skin hydration, sebum content, skin sensitivity, elasticity, crow’s feet wrinkles, and skin brightness were measured. New Delhi’s women were observed to have a lower level of hydration in stratum corneum, sebum content, stinging scores, and darker skin color than others. Furthermore, their skin surface pH on all sites is the highest among seven countries. Vietnamese had the lowest pH values in skin surface. Korean and Chinese had generally higher elasticity and fewer wrinkles. Both the skin hydration and TEWL had positive correlations with the stinging test, and there was a negative correlation between wrinkles and stinging test. These results represent that there was no clear trend related to the area or region. Skin physical parameters should be studied along with understanding of regional differences and various factors (skin care habits, lifestyle and personal sensitivity).
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KEYWORD
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noninvasive measuring methods, skin characteristics, Asian
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