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KMID : 0604520110370020121
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Journal of the Society of Cosmetic Scientists of Korea
2011 Volume.37 No. 2 p.121 ~ p.127
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Correlation between Skin Translucency and Scattering Reflection using Miniaturized New Optical Device
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Lee Myeong-Ryeol
Jeong Choon-Bok
Jung Yu-Chul
Kim Han-Kon
Nam Kae-Won
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Abstract
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Skin darkness is the source of trouble to many women. Skin darkness is the state that while skin redness and brightness are reduced, skin yellowness is increased. Skin translucency which is measured by skin color, especially brightness is an another expression of skin darkness. Skin brightness is usually expressed by L value of L? α? b?(CIELAB color space system). However, it is hard to find the relationship between L value and perceptive efficacy such as translucency because the L value is just a factor of evaluation of skin darkness. The skin with high translucency has high scattering reflective light value than low value. In this study, we measured the skin translucency of 20 ~ 30 ages men and women face by both our designed previous device which use polarized light to detect surface and scatter reflective light independently and LumiscanTM which is improved designed to confirm our new device working ability by calculation of relationship between trnaslucency and scattering reflective light value. The result of this study indicate that there is a high correlation (R = 0.732, p < 0.01) between translucency and scattering reflective light value, and suggest that LumiscanTM is portable and easy measuring device more that previous device.
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KEYWORD
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translucency, scattering reflective light, L? ae? b?, skin darkness, LumiscanTM
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