Vaporesso Deliciu Mate Prefilled Pod Kit Vapesupermall Vaporesso Deliciu V2 Nic Salt Pack of 10 PG vs VG Vape Juice Flavor Throat Hit Vapor Clouds Vape Mash India E liquid Ratios Explained: The Ultimate Beginner's Guide 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 The PG VG Ratio of E Liquids 70 30 & 50 50 E Liquids.