To provide a selection method of color oil and cosmetic method of skin capable of discharging wastes and acquiring beautiful skin.SOLUTION: The selection method of color oil comprises: a first step for measuring electric resistance values of a plurality of meridians of a person who is treated； a second step for identifying a meridian in which the electric resistance value is deviated upward from a physiological range by a largest level and a meridian in which the electric resistance value is deviated downward from the physiological range by a largest level； and a third step for selecting a color oil which is mainly formed of a plant extract non-refined oil including a pigment material of a color corresponding to the meridian in which the electric resistance value is deviated upward from the physiological range by a largest level, as a color oil to be applied to a front face side of the person who is treated, and selecting a color oil which is mainly formed of a plant extract non-refined oil including a pigment material of a color corresponding to the meridian in which the electric resistance value is deviated downward from the physiological range by a largest level, as a color oil to be applied to a rear face side of the person who is treated.SELECTED DRAWING: Figure 3【課題】老廃物等を排出して肌の美しさを得るためのカラーオイルの選択方法及び肌の美容方法を提供する。【解決手段】被施術者の複数の経絡の電気抵抗値を測定する第１の工程と、電気抵抗値が生理範囲から上方及び下方にそれぞれ最も外れた経絡を特定する第２の工程と、生理範囲から上方に最も外れた経絡に対応する色の色素原料が含有された植物抽出未精製オイルを主体とするカラーオイルを被施術者の前面側に塗布するためのものとして選択し、生理範囲から下方に最も外れた経路に対応する色の色素原料が含有された植物抽出未精製オイルを主体とするカラーオイルを被施術者の後面側に塗布するためのものとして選択する第３の工程と、を含む。【選択図】図３
