Allyl PEG/PPG-13/15 Acetate is the acetate ester of a polyoxyethylene/poloxypropylene copolymer containing and average of 13 moles of ethylene oxide and 15 moles of propylene oxide that is capped with allyl alcohol (Allyl PEG/PPG-13/15 Acetate is included in the INCI database as a reference for the definition of other INCI Names, and might not be a marketed cosmetic ingredient).