The friction coefficient of three kinds human hair (damaged hair, dry hair and oiliness hair) and the friction coefficient of hair root and hair tail were tested on a multi-specimen friction tester.

• 摘要采用微观摩擦磨损试验机对受损、干性和油性头发的摩擦系数及其发根和发稍的摩擦系数进行测试；