Wd 40 gets under dirt marks and grease making it easy to wipe away it also dissolves adhesives allowing easy removal of labels tape and stickerswd 40 protects metal surfaces with corrosion resistant ingredients to shield against moisture and other corrosive elementswd 40s lubricating ingredients are widely dispersed and hold firmly to all moving partswd 40 loosens rust to metal bonds and frees stuck frozen or rusted metal parts