There is provided a shampoo capable of exhibiting a smooth feel of hair upon shampooing and rinsing and imparting good luster and manageability to finished hair.The water-based shampoo of the present invention contains silicone oil droplets dispersed therein wherein said oil droplets is composed of at least (A) 50 to 90% by mass of polydimethylsiloxane and (B) 2 to 50% by mass of a copolymer having a block chain constituted of an amino-modified organopolysiloxane chain and a polyoxyalkylene chain.本發明之目的在於提供洗髮時和沖洗時具有滑溜觸感,且,對於加工的頭髮賦予光澤和集中之毛髮洗淨劑。其解決手段係將聚矽氧油滴分散的水性毛髮洗淨劑,其特徵為:該油滴為至少含有(A)聚二甲基矽氧烷50~98質量%及(B)具有胺基改質有機聚矽氧烷鏈與聚氧伸烷基鏈之嵌段鏈之共聚合體2~50質量%。
