PROBLEM TO BE SOLVED: To provide a beauty device with an increased commercial value. A beauty device includes a base portion, first and second arms extending from the base portion, a first treatment body provided on the first arm, and a second treatment body provided on the second arm. .. The first and second arms respectively include first and second deformable portions, and the first and second deformable portions are elastically deformable so that the distance between the first treatment body and the second treatment body changes. ing. The first deformable portion includes a deformable portion core member 36R and a deformable portion cover 38R that covers the deformable portion core member 36R. The second deformable portion includes a deformable portion core member 36L and a deformable portion cover 38L that covers the deformable portion core member 36L. [Selection diagram] Figure 8【課題】商品価値を高めた美容器を提供する。【解決手段】美容器は、基部と、基部から延在する第1、第2アームと、第1アームに設けられる第1施術体と、第2アームに設けられる第2施術体と、を備える。第1、第2アームはそれぞれ、第1、第2変形部を含み、第1、第2変形部は、第1施術体と第2施術体との距離が変化するよう弾性変形可能に構成されている。第1変形部は、変形部芯材36Rと変形部芯材36Rを覆う変形部カバー38Rとを含む。第2変形部は、変形部芯材36Lと変形部芯材36Lを覆おう変形部カバー38Lとを含む。【選択図】図8