PG vs VG E Liquid Guide: Which Ratio? UK 2026 The E Cig Store Galil E Juice by Cold Fusion Vapor Authority 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 PG VG Glycerin & Propylene Glycol, 2 x 1000 ml, Liquid Base 50 50, Food Grade, Made in Germany : Amazon.de: Business, Industry & Science