Composition for external application.

摘要

A composition for external application comprising a tricyclic saturated hydrocarbon represented by formula (I) is disclosed. <CHEM> wherein R<1> and R<2> may be the same or different and independently represents a hydrogen atom or a methyl group and R<3> represents an alkyl group having 2-3 carbon atoms. The compositions for external application of the present invention exhibit an excellent moisture-retention effect and impart moistened feel without sliminess and irritation to the skin. They are thus useful as skin cosmetics, hair cosmetics, medical compositions for external application, and the like.