POLYURETHANE-66 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYURETHANE-66

Safety grade: A

Polyurethane-66 is a synthetic polymer, which is a chain-like molecule made in a laboratory. It acts like a flexible glue that helps hold cosmetic products together and gives them structure.

This ingredient works as a binder to hold the various components of a cosmetic product together, improving texture, consistency, and product stability.

Graded using: COSING.

Last verified: May 26, 2026

Other Binding ingredients