WD-40 removes tough residues, scuffs, grease, and marks on many surfaces. The product is useful in kitchens, bathrooms, living rooms, and bedrooms. Avoid food-contact surfaces, slippery floors, ...

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 ...