POLYURETHANE-6 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYURETHANE-6

Safety grade: A

This is a synthetic plastic-like polymer that forms a flexible, protective layer. It's commonly used in products that need to stick around and maintain their shape or hold.

This ingredient creates a thin, flexible film on hair or skin that helps products stick better, provides long-lasting hold, and improves the staying power of cosmetic formulations.

Graded using: COSING.

Last verified: May 26, 2026