WD-40 Multi-Use Product is a household staple known for its versatility, offering five core functions: lubricating, penetrating, protecting (against rust and corrosion), water displacing, and cleaning/degreasing.

WD-40 is an American manufacturer and the trademark of a penetrating oil manufactured by the WD-40 Company based in San Diego, California. Its formula was invented for the Rocket Chemical Company in 1953, before it was renamed to the WD-40 Company. It became available as a commercialized product in 1961.

Common and popular uses include:

Lubrication:

Silencing squeaky hinges on doors, gates, or furniture; lubricating sticky drawers, wheels, and mechanisms like zippers or folding chairs.

Penetration:

Loosening rusted bolts, nuts, and screws or freeing up jammed locks.

Protection:

Protecting metal tools, equipment, and surfaces from rust and corrosion, especially in outdoor or high-moisture environments.

Water Displacement:

Displacing moisture from electrical contacts or car ignitions to prevent short-circuits and aid starting.

Cleaning/Degreasing:

Cleaning power tools, removing grease, grime, and oil from parts.

Unexpected and Household Uses

The product is also known for a vast number of unconventional household applications, such as:

Removing Sticky Residues:

Easily taking off sticker, label, or adhesive residue, and even removing chewing gum from hair, shoes, or carpets.

Cleaning Stains:

Removing difficult stains like crayon, permanent marker, ink, lipstick, tea, coffee, or oil from various surfaces including walls, carpets, clothing, and ceramic tile.

Shining and Polishing:

Cleaning and polishing gold, brass, and stainless steel appliances, and even shining the leaves of artificial plants.

Pest Control:

Spraying on windowsills and door frames to help repel spiders and other insects.

Gardening/Automotive:

Keeping snow from sticking to shovels, preventing grass from sticking to lawnmower blades, and removing insect residue or tar from car exteriors.

Other: Untangling knotted jewelry chains or freeing up stacked glasses that are stuck together