OXIDIZED POLYPROPYLENE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OXIDIZED POLYPROPYLENE

Safety grade: A

This is a plastic-like material that has been chemically treated to make it better at sticking to skin and other surfaces. It forms a thin, protective layer when applied.

It creates a flexible, breathable film on the skin that helps cosmetic products stay in place longer while allowing skin to breathe naturally.

Graded using: COSING.

Last verified: May 26, 2026