What Are the Ingredients in Vape Juice? 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 E liquide vgtal naturel sans PG Vgtol Pure Menth Pre Mixed VG PG Base Mix 500ml 5L DIY E Liquids PG VG Ratio How To Find The Best PG And VG Ratio For E Liquid? Galil E Juice by Cold Fusion Vapor Authority