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KMID : 0984920080100010018
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Journal of Skin Barrier Research
2008 Volume.10 No. 1 p.18 ~ p.25
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Environmental circumstance and the skin-dry circumstance and the skin
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Chang Min-Youl
Han Jong-Sub
Lee Cheon-Koo
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Abstract
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The most important role of the skin is to protect the living system, including the water-rich internal organs, form the environment. Seasonal changes affect the condition of normal skin and may trigger various cutaneous disorders. The skin is always affected by a lot of environmental circumstances, which are low humidity, sun, wind, temperature, air pollution, and many detergents. The skin keeps the water content of the skin by epidermal homeostasis. In this article, we described how the skin adapts against the dry circumstance. When the skin is exposed to low humidity, epidermal proliferative and inflammatory responses occur within the first periods, and then adaptations to the environment, such as decrease of the transepidermal water loss(TEWL) and increase of barrier recovery, start within approximately 7 days.
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KEYWORD
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environment circumstance, skin hydration, transepidermal water loss, inflammation
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