True, but supposedly is a lubricant as well:
There are many myths and fun facts about WD-40 uses and history. Learn more about WD-40 and how millions have used it as a lubricant, engine degreaser, rust removal product, corrosion inhibitor and more. Find out more about creative and effective uses of WD-40 at our official website.
www.wd40.com
Myth: WD-40 Multi-Use Product is not really a lubricant.
Fact: While the “W-D” in WD-40 stands for Water Displacement, WD-40 Multi-Use Product is a unique, special blend of lubricants. The product’s formulation also contains anti-corrosion agents and ingredients for penetration, water displacement and soil removal.