POLYURETHANE-33 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYURETHANE-33

Safety grade: A

This is a synthetic plastic-like material that forms flexible films on the skin. It works similarly to how clear coatings protect surfaces, creating a light, breathable layer.

It acts as a binder in cosmetics, helping to hold product ingredients together and create a flexible, long-lasting coating on the skin that doesn't crack or peel.

Graded using: COSING.

Last verified: May 26, 2026

Other Binding ingredients