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I’ve read, and found through personal experience, that WD-40 degrades plastics. So it might be harmful if it gets on some razor’s scales.

And no, WD-40 is •not• a metal protector. The WD part of...

That didn’t occur to me, but yeah, it makes lots of sense. Salt is very corrosive. If you live in Wisconsin, where after a snow storm, the roads get salted, you can attest to the fact that salt will...