PROBLEM TO BE SOLVED: To provide a cleaning agent composition in which foam quality is significantly improved, system stability is good, and skin irritation is also significantly reduced. SOLUTION: A cleaning agent composition containing a cyclic oligosaccharide in which 5 to 8 structural units which are glucose or a derivative thereof are linked by β-1,4 glucoside bonds to form a cyclic structure and a surfactant. .. [Selection diagram] Fig. 3【課題】泡質が大幅に改善され、系の安定性が良好で、皮膚刺激性についても大幅に低減された洗浄剤組成物の提供。【解決手段】グルコース又はその誘導体である構成単位がβ－１，４グルコシド結合により５～８個連結されて環状構造をなした環状オリゴ糖と、界面活性剤とを含有する、洗浄剤組成物。【選択図】図３
