What do you use it for?
Propylene glycol is used:
* As a moisturizer in medicines, cosmetics, food, and tobacco products
* As a medical and sexual lubricant (A.K.A. "personal lubricant")
* As a flavoring agent in Angostura and Orange bitters
* As a solvent for food colors and flavourings
* As a humectant food additive, labeled as E number E1520
* As a carrier in fragrance oils
* As a food grade antifreeze
* In smoke machines to make artificial smoke for use in firefighters' training and theatrical productions
* In hand sanitizers, antibacterial lotions, and saline solutions
* As a main ingredient in many cosmetic products, including baby wipes, bubble baths, and shampoos
* As the primary ingredient in the "paint" inside a paintball
* As a base ingredient in aircraft deicing fluid and some automobile antifreezes
* In cryonics