PROBLEM TO BE SOLVED: To provide a washing agent composition capable of producing bubbles which are excellent in foamability and stability in hard water, are low in irritation, cause less dryness even after repeated washing, and are fine and have good touch feeling.SOLUTION: A washing agent composition contains sulfonic acid represented by general formula (1) or sulfonate (A) represented by general formula (1) and straight- or branched-chain aliphatic alcohol (B), where a content of (B) is 0.01-30 wt.% based on the weight of the washing agent composition.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】起泡力及び耐硬水性に優れ、低刺激性で繰り返し洗浄しても乾燥しにくく、泡のキメが細かく感触の良い泡を生成する洗浄剤組成物を提供する。【解決手段】一般式(1)で表されるスルホン酸又は一般式(1)で表されるスルホン酸塩(A)及び直鎖または分岐の脂肪族アルコール(B)を含有する洗浄剤組成物であって、(B)の含有量が、洗浄剤組成物の重量に基づいて0.01~30重量%である洗浄剤組成物。【選択図】なし