Provided is a weak current device that provides a simple structure and an electrode structure made of a normal material, is easy to obtain a therapeutic / beauty effect, and is easy to use. A weak current device having an action part used in contact with skin, wherein the action part is made of a base part and a metal, and has two electrode parts, a positive electrode part and a negative electrode part, having a potential difference from each other. And a conductive part on which the electrode part is placed, and an insulating part made of an insulating material, and in the skin contact surface of the action part, the insulating part is placed on the conductive part The weak electric current instrument containing the 1st insulation part which covers the edge part of the electrode part from the top, and has covered the adjacent part of the said electroconductive part adjacent to the edge part of the said electrode part from the top. [Selection] Figure 8
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