| abstract |
(57) Abstract: A hair treatment material applied to hair is uniformly permeated into the hair to exert an excellent hair treatment effect and to promote the hair treatment effect. SOLUTION: An electric signal in the ultrasonic region is converted into vibration in the ultrasonic region, the vibrator body 10 is vibrated by the vibration in the ultrasonic region, and a hair treatment agent is applied to the hair and the vibrator body 10 is applied. Ultrasonic vibration is applied to the hair or the hair treatment agent to promote the hair treatment effect of the hair treatment agent. |