PROBLEM TO BE SOLVED: To provide an oil-in-water emulsion composition having excellent moisture retention action.SOLUTION: An oil-in-water emulsion composition contains alkyl glycoside represented by general formula (1) (where G is a sugar residue, Rs independently represent a hydrogen atom or a C1-C3 alkyl group, and n is an integer of 1-4).SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】優れた保湿作用を有する水中油型乳化組成物を提供する。【解決手段】下記一般式(1)で表されるアルキルグリコシドを、水中油型乳化組成物に含有させる。(式中、Gは糖残基を表し、Rは独立して水素原子又は炭素数1~3のアルキル基を表し、nは1~4の整数を表す。)【選択図】なし