POLYURETHANE-1 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYURETHANE-1

Safety grade: A

Polyurethane-1 is a synthetic polymer, which is a chain-like molecule made in a laboratory. It's commonly used in hair products to create a flexible, protective coating.

This ingredient forms a light film on hair and skin that helps bind other ingredients together while providing hold and flexibility, making it ideal for styling products like hairsprays and gels.

Graded using: COSING.

Last verified: May 26, 2026