PROBLEM TO BE SOLVED: To provide a hair cleanser composition which can increase foam volume during washing the hair, has excellent elasticity of foam and glossy feeling of foam and can impart an actual feeling of moistening the scalp during washing the hair.SOLUTION: There is provided a hair cleanser composition which comprises (A) a polyglutamic acid compound, (B) a polyoxyethylene alkyl ether sulfate and (C) an N-acylamino acid ester, wherein the mass ratio [B/(A+C)] of the content (mass%) of the (B) polyoxyethylene alkyl ether sulfate to the (A) polyglutamic acid compound and the content (mass%) of the (C) N-acylamino acid ester is 2 or more and 125 or less.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】洗髪時の泡量の増加が図れ、優れた泡の弾力性及び泡の光沢感を有し、洗髪時に頭皮がうるおった実感を付与できる毛髪洗浄剤組成物の提供。【解決手段】（Ａ）ポリグルタミン酸化合物、（Ｂ）ポリオキシエチレンアルキルエーテル硫酸塩、及び（Ｃ）Ｎ―アシルアミノ酸エステルを含有し、前記（Ａ）ポリグルタミン酸化合物の含有量（質量％）と、前記（Ｂ）ポリオキシエチレンアルキルエーテル硫酸塩の含有量（質量％）と、前記（Ｃ）Ｎ―アシルアミノ酸エステルの含有量（質量％）との質量比［Ｂ／（Ａ＋Ｃ）］が、２以上１２５以下である毛髪洗浄剤組成物である。【選択図】なし
