2. Ukunyamekelwa kwesikhumba, i-collagen ilungile eluswini kukukwazi ukunyamekela ngokufanelekileyo ulusu, ubuhle, kuba i-collagen inomsebenzi wesikhumba esondlayo, inokugcina ngokufanelekileyo ukuqina kolusu, igcine i-moisturizing yayo kunye nokukhanya okukhanyayo, ukulungisa ulusu olonakeleyo. , uqinise ngokufanelekileyo ulusu, ushwabene, ugcine umswakama;