Wow, I've heard some strange things in my time on this planet... but that one is pretty far out there.
Propylene Glycol is in toothpaste, mouthwash, soap, shampoo, deodorant, etc. etc. etc....
Vegetable Glycerine is a natural sweetener, found in thousands of foods we eat every day....
But just remember... water is the leading cause of drowning... and 100% of all deaths occur right here on Earth, because living is the #1 cause of death