Friction Dynamics on Human Skin Surfaces

This study includes an evaluation of friction on the fingers, palms, and forearms of 20 subjects using a sinusoidal motion friction evaluation system. The effects of the changing water content in the stratum corneum at each position as well as the skin elastic modulus on the friction parameters were...

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Bibliographic Details
Published inJournal of Oleo Science Vol. 69; no. 5; pp. 461 - 465
Main Authors Nonomura, Yoshimune, Ouchi, Haruka
Format Journal Article
LanguageEnglish
Published Japan Japan Oil Chemists' Society 01.01.2020
Japan Science and Technology Agency
Subjects
cosmetics
Delay time
Friction
human skin
Mechanical properties
Modulus of elasticity
Moisture content
sinusoidal motion
Skin friction
Softness
sinusoidal motion
friction
human skin
cosmetics
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ISSN1345-8957
1347-3352
1347-3352
DOI10.5650/jos.ess20012

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Summary:This study includes an evaluation of friction on the fingers, palms, and forearms of 20 subjects using a sinusoidal motion friction evaluation system. The effects of the changing water content in the stratum corneum at each position as well as the skin elastic modulus on the friction parameters were analyzed to show the factors governing friction dynamics. We observed a significant delay time (δ) and a stick–slip phenomenon during the sinusoidal motion friction processes. These dynamic phenomena are due to the softness and viscoelastic properties of human skin. The findings regarding the response of human skin to frictional stimulation under accelerated conditions facilitates a better understanding of the dynamic and mechanical properties of human skin.
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ISSN:1345-8957
1347-3352
1347-3352
DOI:10.5650/jos.ess20012