A beauty device which has the advantages of low power consumption, simple structure, and low cost is provided. The beauty device (11) has a handle (12) and a wheel (18) which rotatably supported on the handle (12). Conductive portions which electrically insulated from each other are disposed on the outer edge of the handle (12) and that of the wheel (18). Inside the wheel (18), there includes: a permanent magnet (22) to act as an electric power generating portion with the rolling of the wheel (18), and a supply portion for supplying the electric power to the conductive portion formed on the outer edge of the wheel (18).本發明提供一種無需耗費很多電力且可簡化構造並降低製作成本的美容器。美容器(11)係具備:手柄(12);以及可滾動地支撐於該手柄(12)的滾輪(18)。在手柄(12)之外壁及滾輪(18)之外壁係設置有導電部,且此等導電部係彼此電性絕緣。在滾輪(18)之內部係設置有:伴隨滾輪(18)之滾動而進行發電之作為發電部的永久磁鐵(22);以及將所產生的電力供給至形成於滾輪(18)之外壁的導電部之供給部。11‧‧‧美容器12‧‧‧手柄12a‧‧‧雙叉部12b‧‧‧握持部14‧‧‧作為導電部之外裝蓋體17‧‧‧滾輪支撐軸18‧‧‧滾輪18a‧‧‧接觸部22‧‧‧作為發電部之永久磁鐵23‧‧‧透明板S‧‧‧肌膚