Indian Journal of Dermatology
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Year : 1995  |  Volume : 40  |  Issue : 3  |  Page : 116-121

A Simple Device For Measuring Skin Friction

Correspondence Address:
A.B Gupta

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Source of Support: None, Conflict of Interest: None

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A simple device for measuring skin friction in vivo is described. The frictional coefficient of normal Indian skin and the effect of hydration and application of talc and glycerol on the frictional coefficient and also the friction of ichthyotic skin have been determined with its help. The average value of friction of friction of normal India skin at forearm is found to be 0.41 +- 0.08, the hydration raises the value to 0.71 +- 0.11 and the effect of glycerol is also to school it up to 0.70+- 0.05, almost equal to that of water. The effect of talc however is opposite and its application lowers the friction to 0.21+-0.07. The mean coeff of friction for ichthyotic skin is found to be 0.21+- 0.0.5, which closely agrees with talc-treated normal skin. A good positive correlation (p<0.01) between friction and sebum level at skin site, with r = 0.64, has been observed.

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