The present invention relates to a cosmetic or pharmaceutical formulation comprising a hyaluronate crosspolymer and one or more of (a) azelaic acid or an ester thereof； (b) one or more of black cumin seed oil, chaulmoogra oil, magnolia bark extract and manuka oil； and (c) resveratrol or a derivative thereof. Uses of the formulation for skin treatments, promoting collagen production and regulating cellular turnover are also described.
