A member asked:

What's the difference between propylene glycol, polyethylene glycol?

A doctor has provided 1 answer
Dr. Susan Uhrich answered

Specializes in Psychiatry

The "ol" on the ends: Means that both compounds are alcohols. Polyethylene glycol is found in polyesters and propylene glycol is an organic alcohol found in some cosmetics.

Answered 5/7/2016

5.8k views

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