"The safety of Triethylene Glycol and other polyethylene glycols has been assessed by the Cosmetic Ingredient Review (CIR) Expert Panel. The CIR Expert Panel evaluated the scientific data and concluded that Triethylene Glycol and the polyethylene glycol ingredients were safe for use in cosmetics and personal care products."

Part of triethylene glycol and other polyethylene glycols.

Source; cosmeticsinfo.org