Actually, DEG is found in older automotive antifreeze, and was replaced around the 80's with Propylene Glycol, due to the risks of animals and children drinking the antifreeze. It is still used as rust inhibitor, disinfectant, some coolant uses, tobacco humectant, Winemaking, and many other uses. It's also found in the manufacturing of plastics and polyester fibers.
But, if we want to sit here and howl that "antifreeze" (Propylene Glycol) is in them, well here is a list of things also containing antifreeze:
As a solvent in many
pharmaceuticals, including
oral,
injectable and
topical formulations. Notably,
diazepam, which is
insoluble in water, uses propylene glycol as its solvent in its
clinical, injectable form.
As a
moisturizer in
medicines,
cosmetics,
food,
toothpaste,
mouth wash, and
tobacco products
In
electronic cigarettes to deliver vaporized nicotine
As an
emulsification agent in
Angostura and orange
bitters
As a
solvent for
food colors and
flavorings
As an ingredient, along with wax and gelatin, in the production of paintballs
As a
humectant food additive, labeled as
E number E1520
As a cooling agent for
beer and
wine glycol jacketed fermentation tanks
As a carrier in
fragrance oils
As an ingredient in massage oils
As a less-
toxic antifreeze
As a
solvent used in mixing photographic chemicals, such as film developers
In
smoke machines to make artificial
smoke for use in
firefighters' training and
theatrical productions
In hand sanitizers,
antibacterial lotions, and
saline solutions
In
cryonics
As a working fluid in hydraulic presses
As a
coolant in liquid cooling systems
To regulate humidity in a cigar
humidor
As the killing and preserving agent in pitfall traps, usually used to capture
ground beetles
As an additive to pipe tobacco to prevent dehydration.
To treat livestock
ketosis
As the main ingredient in
deodorant sticks.
To
de-ice aircraft.
[6]
UV Blacklite Tattoo Ink
paintballs
So, while in our e-cigs, and an ingredient in antifreeze, PG is NOT this big scary antifreeze they are talking trash about. Even DEG in concentrations at 0.2% is considered safe by the FDA for human consumption.