A 40-year-old member asked:
what is the difference between propylene glycol and ethylene glycol?
1 doctor answer
Dr. Susan Uhrich answered
35 years experience Psychiatry
The "ol" on the ends: Basically means that both compounds are alcohols. But there are many, many alcohols that are used in various products. The more dangerous of the 2 is the ethylene glycol which is found in antifreeze and a number of other products.
Answered on Oct 4, 2016
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