To provide a comfort feeling improver that improves a comfort feeling caused by a tactile sense of human, and a method for efficiently searching for a dry skin or skin barrier function improver or a skin texture improver.SOLUTION: The present invention provides a comfort feeling improver that improves a comfort feeling caused by a tactile sense of human, including the steps of (I) giving a stimulus to an MrgprB4 expressing cell in the presence of a test material, and (II) measuring a response of the MrgprB4 to the stimulus, and a method for evaluating or searching for a dry skin or skin barrier function improver or a skin texture improver.SELECTED DRAWING: None【課題】ヒトの触覚に起因する快感情向上剤、ドライスキン若しくは皮膚バリア機能改善剤又は肌の質感改善剤を効率良く探索する方法を提供する。【解決手段】(I)試験物質の存在下、MrgprB4発現細胞に刺激を付与する工程、及び(II)前記刺激に対するMrgprB4の応答を測定する工程、を含むヒトの触覚に起因する快感情向上剤、ドライスキン若しくは皮膚バリア機能改善剤又は肌の質感改善剤の評価又は探索方法。【選択図】なし