The present invention provides a kind of remover, its be containing or allotment (A) anionic surfactant, (B) meet following formula (I)s stretch the polyether-modified poly- silicon oxygen of amido of alkyl structure containing polyoxy and (C) organic acid forms, and the mass ratio [(A)/(B)] of ingredient (A) and ingredient (B) are 25 or more, the mass ratio [(A)/(C)] of ingredient (A) and ingredient (C) are 1 or more 3000 or less. 0.01≤Si/AO≤1.6 (I) [in formula (I), the mole number of the silicon atom in Si expression composition (B), the oxygen in AO expression composition (B) stretches alkyl and is averaged addition mole number]本發明提供一種洗淨劑,其係含有或調配(A)陰離子性界面活性劑、(B)滿足下述式(I)之含有聚氧伸烷基結構之胺基聚醚改性聚矽氧、及(C)有機酸而成,且成分(A)與成分(B)之質量比[(A)/(B)]為25以上,成分(A)與成分(C)之質量比[(A)/(C)]為1以上3000以下。0.01≦Si/AO≦1.6 (I)[式(I)中,Si表示成分(B)中之矽原子之莫耳數,AO表示成分(B)中之氧伸烷基平均加成莫耳數]