This Toothbrush with Ionic Toothbrush is very popular in Japan!!
WHAT IS IONIC TOOTHBRUSH ?
Ionic power - provided effective
By touching the metal portion of the handle with moistened skin you generate a kind of magnetic force called negative ionization. This force acts directly on the surface of your teeth.
*Copied from IONIC Web site
*Precautions for use Those who use a pacemaker cannot be used. In order not to damage the inside of a mouth, please do not put a holder part in a mouth, without equipping with a brush. Please use this at your own risk.
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