Ethoxydiglycol also known as diethylene glycol monethyl ether.  This product is a commonly used solvent used in lubricants and the cosmetic industry.  Ethoxydiglycol is used to dilute and thin out liquids that may be of thicker consistency.  It’s found in a lot of personal care products, including make-up, bath soaps, and skin-care products. It does have ether in it, which is considered a carcinogen, and can cause some people to have allergic reactions.