Propylene glycol mono ester is a type of glycol ester that is used as a solvent in a variety of industrial and consumer products. It is a viscous, colorless liquid that has a faint, sweet smell and taste. Propylene glycol mono ester is a common ingredient in antifreeze, engine coolants, and many other automotive fluids. It is also used in cosmetics, food, and pharmaceuticals, as a preservative and stabilizer. In Pakistan, propylene glycol mono ester is available from a number of different suppliers. It can be purchased in bulk or in smaller volumes for use in specific applications.