| 摘要 |
A perming method for altering the shape of the hair by contact with an ultrasonically vibrating elastic body. When an alternating vibration is generated in the rod (cylindrical elastic body) (24), the elastic body Si(per se) does not rotate but causes another substance in contact with the periphery thereof to rotate thereabout. When, therefore, the substance is kept unrotatable, it comes to be vigorously treated by a spiral vibration. Accordingly, when the hair is in contact with the periphery of the elastic body, that part of the hair which is in contact with the periphery is vigorously treated in the circumferential direction of the elastic body by the vibration thereof. As a result, the cross-sectional shape of the hair is altered and the state of the hair under the vigorous treatment is kept as such, whereby the hair can be permed.
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