PROBLEM TO BE SOLVED: To provide a hair shampoo which can suppress exfoliation of the cuticle when extending the hair associated with brushing, blowing, ironing, and the like in daily hair care behavior, and which can improve the luster and hair-arranging property at the time of finishing.SOLUTION: An aqueous hair shampoo contains component A: 0.5 mass% or more to 12 mass% or less of an ether sulfate type anionic surfactant； component B: 1 mass% or more to 6 mass% or less of an amino acid type surfactant； component C: 0.1 mass% or more to 5 mass% or less of succinic acid or a salt thereof； and component D: cationic polymer as well as water.SELECTED DRAWING: None【課題】日々のヘアケア行動の中で、ブラッシング、ブロー、アイロン使用等に伴う毛髪の延伸時のキューティクルの剥離を抑制し、仕上がりのツヤ・まとまり性を向上し得る毛髪洗浄剤を提供する。【解決手段】成分（Ａ）エーテル硫酸塩型アニオン界面活性剤 ０．５質量％以上１２質量％以下、成分（Ｂ）アミノ酸系界面活性剤 １質量％以上６質量％以下、成分（Ｃ）コハク酸またはその塩 ０．１質量％以上５質量％以下、および、成分（Ｄ）カチオン性ポリマーならびに水を含む水毛髪洗浄剤。【選択図】なし
