PROBLEM TO BE SOLVED: To provide a wrinkle improvement skin detergent comprising a wrinkle improvement effect, and excellent in foam formation force, creaminess of foam in use time, fresh feeling after rinsing and chronological stability.SOLUTION: There is provided a wrinkle improvement skin detergent comprising: a component (a) which is a higher fatty acid salt a component (b) which is a dimer dilinoleic acid ester and a component (c) which is water. The wrinkle improvement skin detergent comprise a wrinkle improvement effect, and excellent in foam formation force and creaminess of foam in use time, fresh feeling after rinsing, and chronological stability.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】しわ改善効果を有し、かつ使用時の泡の起泡力、泡のクリーミィさ、すすぎ後のさっぱり感及び経日安定性に優れたしわ改善用皮膚洗浄剤を提供する。【解決手段】成分(a)として高級脂肪酸塩、成分(b)としてダイマージリノール酸エステル、及び成分(c)として水を含有することを特徴とする、しわ改善効果を有し、かつ使用時の泡の起泡力、泡のクリーミィさ、すすぎ後のさっぱり感及び経日安定性に優れたしわ改善用皮膚洗浄剤。【選択図】 なし