An oil composition contains 1 to 50 percent by weight of a glycerol monoether compound represented by following Formula (1): €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ R 1 O-(C 3 H 6 O 2 ) n1 -H€ƒ€ƒ€ƒ€ƒ€ƒ(1) wherein R 1 represents an alkyl or alkenyl group which may be substituted, and "n1" denotes a number of repeating glycerol units ranging from 1 to 3 and 1 to 50 percent by weight of a polyglycerol monoether compound represented by following Formula (2) : €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ R 2 O-(C 3 H 6 O 2 ) n2 -H€ƒ€ƒ€ƒ€ƒ€ƒ(2) wherein R 2 represents an alkyl or alkenyl group which may be substituted, and "n2" denotes a number of repeating glycerol units ranging from 4 to 20. The oil composition is usable as a foamable cleansing agent that is mild to the skin, exhibits superior detergency for removing oily cosmetics, and is usable even when the skin is wet.
