Home why is propylene glycol in vape juice why is propylene glycol in vape juice by Khalil Rohan Sr. Published 3 years ago Updated 2 years ago Popular Posts: 1. how to operate vape pen battery 2. how to make vape bong 3. how to vape with ooze 4. what is the highest rated vape oil thc 5. how to use vape without screen vaporxl 6. how do you unclog a vape cartridge 7. what is the best website to buy vape juice? 8. how to separate vape juice 9. how are cops dealing with thc vape pen 10. what voltage to set vape pen for thc