Ubuso obuzibuthe be-EM bunguguquko ekunakekelweni kobuso lapho amandla okushisa ahambisanayo abumba kabusha futhi abushelelezi isikhumba ngokushisisa idermis nokwandisa izinga le-collagen ne-elas-tin fibers. Ubuchwepheshe be-high pulse bubuyisela futhi bufakazele ukusekelwa kwezicubu zobuso ngokukhetha -ukudonsa imisipha nokwandisa ukuminyana kanye nekhwalithi yesakhiwo semisipha.