POLYURETHANE-9 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYURETHANE-9

Safety grade: A

Polyurethane-9 is a synthetic plastic-like polymer that forms a flexible, protective layer on skin or hair. It's commonly used in cosmetics to create products with better texture and staying power.

This ingredient works as a binder and film-former to help cosmetic products adhere to skin or hair, create a smooth finish, and improve product durability and wear-time.

Graded using: COSING.

Last verified: May 26, 2026