PROBLEM TO BE SOLVED: To provide a hair washing composition that has viscosity with excellent usability, and is excellent in bubble formation and its fineness, durability, and smoothness during hair washing.SOLUTION: A hair washing composition contains following components (a)-(c): (a) sodium cocoylmethyltaurine 0.3-6 mass%, (b) N-acylamino acid salt 0.3-10 mass%, and (c) lauryldimethylaminoacetate betaine.SELECTED DRAWING: NoneCOPYRIGHT: (C)2019,JPO&INPIT【課題】使用性に優れる粘度を有し、洗髪時の泡立ち、泡のきめ細かさ、泡もち、泡のなめらかさに優れる毛髪洗浄料組成物を提供すること。【解決手段】 次の成分(a)~(c);(a)ココイルメチルタウリンナトリウム 0.3~6質量%(b)N-アシルアミノ酸塩 0.3~10質量%(c)ラウリルジメチルアミノ酢酸ベタインを含有する毛髪洗浄剤組成物。【選択図】なし