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KMID : 0604520070330020099
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Journal of the Society of Cosmetic Scientists of Korea
2007 Volume.33 No. 2 p.99 ~ p.104
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Changes in Skin Parameters after Sequential Tape Stripping
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Kim Seung-Hun
Kim Eun-Joo
Nam Kae-Won
Ahn Sung-Yeon
Lee Hae-Kwang
Moon Seong-Joon
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Abstract
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The skin barrier function is one of the vital functions. Horny layer and epidermis among various skin layers play an important role in protecting body from environmental insults. Stratum corneum is completely formed by differentiation processes from the basal layer and newly formed corneocytes push the older ones from skin surface. In this study we investigated changes of various parameters - capacitance, transepidermal water loss (TEWL), pH and amount of removed corneocytes - according to the stratum corneum’s depth. We removed the stratum corneum using tape stripping technique. We found that uppermost stratum corneum play an important role in skin surface moisturization and lower stratum corneum in protecting transepidermal water loss. In addition, skin pH is more acidic than surface pH. In the stratum corneum, skin pH is mote acidic in the deeper layer. Furthermore amount of removed corneocyte is also decreased according to depth because of stronger cell-cell union strength. From these results we suggest that stratum corneum has different characteristics depending on their position.
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KEYWORD
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stratum corneum, depth, capacitance, TEWL, pH
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