USP Propylene Glycol

USP Propylene Glycol, PG, is a slightly viscous (thin) fluid that is used to evenly distribute the ingredients in E-liquids, such as flavor and nicotine. Food grade propylene glycol USP is colorless, tasteless, and nearly odorless. PG also provides a subtle throat hit that is desirable for many people. Propylene Glycol is often found in common food products, it is used as a component to evenly distribute flavoring throughout the product. PG can be found in many common foods and also has a variety of other uses, such as serving as an ingredient in many pharmaceutical and cosmetic products.