PROBLEM TO BE SOLVED: To provide a skin condition discrimination method capable of accurately discriminating a skin condition, and to provide a cosmetic evaluation method and a cosmetic design method on the basis of the method.SOLUTION: The skin condition discrimination method comprises: a face image acquiring step for acquiring a face image obtained by imaging an expression face of a subject a feature amount extracting step for extracting a feature amount, such as the area of a high luminance region of a skin or the area of a stripe shape region of the skin, which are detectable optically on the basis of the face image and a skin condition discriminating step for discriminating the skin condition of the subject on the basis of the feature amount.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】 肌状態をより精度よく鑑別することのできる肌状態の鑑別方法、及びそれに基づいて化粧料の評価方法、設計方法を提供すること。【解決手段】 肌状態の鑑別方法であって、被験者の表情顔を撮影した顔画像を取得する顔画像取得工程と、顔画像より光学的に検出可能な、肌の高輝度領域の面積やスジ形状領域の面積といった特徴量を抽出する特徴量抽出工程と、特徴量に基づいて被験者の肌状態を鑑別する肌状態鑑別工程と、を備えることを特徴とする。【選択図】図1