The present invention relates to a composition containing a sapogenin, and/or a sapogenin ester, and to the use of a sapogenin and/or a sapogenin ester to manufacture a composition that is suitable for topical application to the skin, and in a method wherein sapogenin and/or a sapogenin ester are used as agents for the of smoothing out wrinkles and fine lines, in particular expression wrinkles and fine lines. The sapogenin may be used/provided in the form of a natural extract containing it. A preferred sapogenin is diosgenin.