We offer Propylene Glycol across nationwide market. Propylene glycol (PG) is a colorless, nearly odorless, syrupy liquid that is derived from natural gas. It is used in dozens of products that you commonly use around your house. Propylene glycol is a derivative of propylene oxide (PO) PG is completely safe when used properly. Propylene Glycol is used in the food, cosmetic, pharmaceutical and chemical industries. Propylene Glycol also is used in soaps to soften the skin, balancing the cleansing effect of the soap.