This isn't as much of an issue if you have one of the non-aerosol forms of WD-40, but most of you reading will likely just have that standard spray can you get from the hardware store that you use ...

Where did the story that the spray is a NASA creation come ... program to prevent outer corrosion. WD-40 was then later sold to the public in aerosol can form, just as it is in the modern era ...