PROBLEM TO BE SOLVED: To provide a skin cleanser composition which is excellent in foam volume and foam quality and easy to wash out and has no stretched feeling after cleansing, and in addition, has rapid foaming properties and imparts a smooth feeling to the skin at the finish of cleansing.SOLUTION: There is provided a skin cleanser composition which comprises an anionic surfactant and/or a nonionic surfactant, a specific long-chain alkyl betaine type surfactant and further a specific aspartic acid derivative.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】本発明は、泡量及び泡質に優れ、洗い流しやすく、洗浄後のつっぱり感がない皮膚洗浄剤、加えて速泡性が良好で、洗い上がり時の皮膚にさらっと感を与える皮膚用洗浄剤を提供することを目的とする。【解決手段】アニオン界面活性剤及び/又はノニオン界面活性剤、特定の長鎖アルキルベタイン型界面活性剤を含有する皮膚用洗浄剤組成物、さらに特定のアスパラギン酸誘導体を含有する皮膚用洗浄剤組成物とする。【選択図】 なし