PROBLEM TO BE SOLVED: To provide a thickener excellent in handleability and having a high thickening effect, and to provide a detergent composition containing the same.SOLUTION: The thickener comprises a fatty acid amido amine represented by formula (1): R1-CONH-R2-N(-R3)-R4, and the detergent composition contains the thickener and at least one sort of detergents.COPYRIGHT: (C)2011,JPO&INPIT【課題】ハンドリング性に優れ、高い増粘効果を有する増粘剤及び、それを含有する洗浄剤組成物を提供する。【解決手段】一般式(1)で表される脂肪酸アミドアミンからなる増粘剤、及びこの増粘剤と、少なくとも1種の界面活性剤を含有する洗浄剤組成物。【選択図】なし