A cosmetic device (10) for carrying out ion introduction into human skin (40), which is equipped with carbon sheet electrodes (33A, 33B) to be attached to the human skin (40), wherein an electric signal produced by superposing an alternate current signal on a high-frequency signal having a higher frequency than that of the alternate current signal is supplied to the carbon sheet electrodes (33A, 33B), and wherein the position at which the high-frequency signal is to be superposed is set to a polar region, i.e., a region that is not involved in the ion introduction, of the alternate current signal.一種對人的皮膚40進行離子導入的美容設備10,其具有:安裝於人的皮膚40上的碳片電極33A、33B;以及對該碳片電極33A、33B供給電氣信號的單元。該電氣信號係將交流信號與具有比該交流信號更高的頻率的高頻率信號重疊,並且將該高頻率信號的重疊位置設定於該交流信號的無助於該離子導入的極性區域中而成。10‧‧‧美容設備20‧‧‧資訊處理單元20A‧‧‧輸出端子30‧‧‧美容施加單元31‧‧‧電極墊31a‧‧‧基底材31b‧‧‧基底材32‧‧‧面膜33A‧‧‧碳片電極33B‧‧‧碳片電極34‧‧‧音頻纜線34A‧‧‧纜線34B‧‧‧纜線40‧‧‧皮膚
