4,4'-ISOPROPYLIDENEDIPHENOL/EPICHLOROHYDRIN COPOLYMER is graded A (Safe) by Expert·ING, based on COSING regulatory data.

4,4'-ISOPROPYLIDENEDIPHENOL/EPICHLOROHYDRIN COPOLYMER

Bisphenol A Epoxy Resin

Safety grade: A

This is a plastic-like material made by combining two chemical compounds to create a tough, protective coating. It forms a smooth, durable layer on surfaces when applied.

It is used in cosmetic products to create a thin, flexible film on the skin or nails that provides protection, improves wear, and helps other ingredients stay in place.

Graded using: COSING.

Last verified: May 26, 2026