<p>A method for skin antiaging treatment comprising administering Botulinum toxin to an area of facial and/or neck skin, combined with the administration of a cosmetic or pharmaceutical composition.comprising a cosmetically or pharmaceutically effective amount of at least one peptide derived from the SNAP-25 protein and/or at least one enkephalin-derived peptide, and at least one cosmetically or pharmaceutically acceptable excipient or adjuvant.</p>
