Ether Jones writes:

WD40 is mostly kerosene. There is NO kerosene in any of the major
brands of silicone spray. WD40 and silicone spray are completely
different chemical formulations.

Nope. Read the Gunk brand can or MSDS linked in my earlier posts. Gunk
"silicone" spray is 99 percent petroleum, roughly kerosene weight, with a
tiny bit of silicone oil.