INCI · other · CIR review pending · used in 1 products
Butylene/Ethylene/Styrene Copolymer
Butylene/Ethylene/Styrene Copolymer is a polymer of butylene, ethylene, and styrene monomers terminated by hydrogenation (CAS #: 68648-89-5). It is classified as a viscosity-controlling ingredient according to CosIng. It functions primarily as a gelling agent when used together with a hydrocarbon, and is closely related to Ethylene/Propylene/Styrene Copolymer.
Evidence level
weakEWG score
—Comedogenic
—Category
other● Benefits
Serves as a helper/gelling agent to control and adjust the texture and viscosity of cosmetic formulations. It is commonly found in lip balms, lip glosses, and similar products where a gel-like consistency is desired.
viscosity-controlling
● Cautions
