WD-40 is a seemingly all-purpose lubricant, degreaser, and water displacer that has helped people loosen stubborn bolts and silence squeaking hinges for decades. There's an old saying that if you need ...

WD-40, a common lubricant found in many homes, is also an effective cleaner. It is handy for removing stickers and sticky residue, stubborn stains, scuff marks, and crayon drawings from walls. WD-40 ...