A cosmetic composition comprising at least one compound selected from bioactive/biocompatible microparticulates such as bioactive glass or bioactive ceramics, and an intradermal delivery vehicle selected from the group consisting of hyaluronans, hyaluronic acid and/or salts thereof and/or homologues, analogues, derivatives, complexes, esters, fragments and subunits of hyaluronic acid in an amount sufficient to facilitate deposition and penetration of said bioactive microparticulates through tissue at a site to be treated.