PG VG Glycerin & Propylene Glycol, 2 x 1000 ml, Liquid Base 50 50, Food Grade, Made in Germany : Amazon.de: Business, Industry & Science 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 Vaping 101: What is E Juice and How is it Made? VG PG Base Highest Purity various mixes available 80 20, 70 30, 50 50 etc eBay