To increase voltage for easy application to beauty treatment or the like. A cosmetic device includes: a signal generation means for generating a stereo signal and a beauty treatment means for performing beauty treatment using the stereo signal generated by the signal generation means. The signal generation means comprises: a waveform generation means for generating right signal and left signal waveforms having the relationship of opposite phases to each other and a waveform output means for outputting the waveforms generated by the waveform generation means from a terminal.一種美容設備,包括:一信號產生單元,產生一立體聲信號;以及一美容施行單元,使用由該信號產生單元所產生之立體聲信號進行美容術,其中,該信號產生單元包括:一波形生成單元,生成互為反相關係之一右信號及左信號之波形;以及一波形輸出單元,將由該波形生成單元所生成之波形由端子輸出。10‧‧‧美容設備20‧‧‧資訊處理單元30‧‧‧美容施加單元41‧‧‧輸入單元42‧‧‧輸出單元43‧‧‧記錄單元44‧‧‧信號產生單元45‧‧‧畫面生成單元46‧‧‧網路連接單元47‧‧‧控制單元48‧‧‧波形生成單元49‧‧‧波形輸出單元
