Gonna try some of this for DIY. Seems ok, we'll see when it comes. Price was right seeing that it gets difficult to get any from any local drug stores in my area. Pharmacists look at you like you're a murder if you ask them.
Maybe HC is scaring the daylights out of them with a notice not to allow anyone to get an order or something.
Propylene Glycol PG USP 99.8 8oz NtWt | eBay

Propylene Glycol PG USP 99.8 8oz NtWt | eBay