Bis-Benzyl Butylene Glycol/IPDI Copolymer Not rated New ingredients No known benefits Bis-Benzyl Butylene Glycol/IPDI Copolymer description Functions: Film Forming, Hair Conditioning, Hair Fixative, Nail Conditioning, Skin Conditioning, Skin Protecting Why isn’t this ingredient rated? Rest assured our team is or will soon be working on it. Going through research takes time and ingredient studies require in-depth analysis. Our goal is to provide the most accurate information possible. This ingredient database is updated daily, so check back often for the latest information.