<p>Provided is a cleaning agent composition containing: (A) an anionic surfactant in the amount of 5-30 mass%; (B) a cationic surfactant in the amount of 0.1-10 mass%; (C) a dimethylpolysiloxane having a kinematic viscosity of 4 million mm2/s or more at 25°C in the amount of 0.01-2 mass%; and (D) a maltooligosaccharide.</p>
