Provided is a cleansing sheet having high cleansing power and an excellent preservative effect. The cleansing sheet according to the present invention comprises a sheet base material and a cleansing composition with which the sheet base material is impregnated, wherein the cleansing composition comprises water, a nonionic surfactant, polyaminopropyl biguanide and a polyhydric alcohol, and the cleansing composition does not contain ethanol or contains ethanol in an amount of 5% by mass or less.