POLYUREA CROSSPOLYMER-4 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYUREA CROSSPOLYMER-4

Safety grade: A

This is a synthetic polymer that forms a flexible, protective layer on the skin. It's a lab-created material designed to create a smooth, breathable film.

This ingredient creates a thin, flexible coating on the skin that helps products last longer and provides a smooth, comfortable finish while allowing skin to breathe.

Graded using: COSING.

Last verified: May 26, 2026