Everything That You Need to Know About Propylene Glycol USP Propylene Glycol USP is a synthetic liquid substance that absorbs water. It is used primarily in the pharmaceutical, food, and cosmetics industries as a solvent, to maintain moisture in medicines or foods, and as a carrier of flavor or color. The "USP" designation means it meets the standards of the United States Pharmacopeia for purity and quality, ensuring it is suitable for its intended uses in products consumed or applied by humans. Propylene Glycol USP is recognized for its versatility, serving also as a humectant, preservative, and in some cases, as an emulsifier or stabilizer, making it an essential ingredient in many formulations. To know more visit here: https://www.silverfernchemical.com/products/propylene-glycol-usp-kosher/