How do we know disinfectants will kill the COVID-19 coronavirus?
For easy to understand and detailed professionally sourced facts on PG
A trusted source for the pharmaceutical industry
Propylene Glycol (PG) toxicological profile by the U.S. Department of Health and Human Services - Agency for Toxic Substances and Disease Registry (ATSDR)
The FDA's report...
The main page for lots of additional on PG from the EPA
Examines exposure to PG