Study on skin roughness caused by surfactants: I. A new method in vivo for evaluation of skin roughness |
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Authors: | G Imokawa K Sumura M Katsumi |
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Affiliation: | 1. Industrial Research Laboratories, Kao Soap Co., Ltd., Minatoyakushubata, Wakayama, Japan
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Abstract: | A simple and accurate method for evaluating skin roughness caused by surfactants has been developed. The intensities of the roughness have been correlated with the chemical structures of surfactants by using this method. Results indicated in general, that the surfactants having 12 carbons in their alkyl chain gave the skin more roughness than did those which had more or less than 12. The results obtained by this method were in good agreement with those from the immersion method usually used. |
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