Journal of Oleo Science
Online ISSN : 1347-3352
Print ISSN : 1345-8957
Detergents, Surfactants, Interface and Colloid
Preparation of Artificial Skin that Mimics Human Skin Surface and Mechanical Properties
Rana ShimizuYoshimune Nonomura
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2018 Volume 67 Issue 1 Pages 47-54

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Abstract

We have developed an artificial skin that mimics the morphological and mechanical properties of human skin. The artificial skin comprises a polyurethane block possessing a microscopically rough surface. We evaluated the tactile sensations when skin-care cream was applied to the artificial skin. Many subjects perceived smooth, moist, and soft feels during the application process. Cluster analysis showed that these characteristic tactile feels are similar to those when skin-care cream is applied to real human skin. Contact angle analysis showed that an oil droplet spread smoothly on the artificial skin surface, which occurred because there were many grooves several hundred micrometers in width on the skin surface. In addition, when the skin-care cream was applied, the change in frictional force during the dynamic friction process increased. These wetting and frictional properties are important factors controlling the similarity of artificial skin to real human skin.

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© 2018 by Japan Oil Chemists' Society
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