What Does Pg Stand For What Do PG And VG Stand For? Global Online Flagship Store Australia Vape Juice PG VG Mix Make My Vape UNDERSTANDING PG VG RATIOS IN E JUICE cometovape Do you know the differences between PG and VG 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