VG & PG In Vape Juices: What You Need To Know Do you know the differences between PG and VG vape juice? PG and VG Explained Dinner Lady Calculating PG VG Ratio's After Adding Nic Shots To A Shortfill Bottle What's PG and VG in e liquids? VAPEAPE The PG (Propylene glycol) and VG (Vegetable Glycerin) are the two primary base ingredients of eliquid. They are all FDA approved and are equally safe. The PG is a clear, colorless liquid