POLYURETHANE-17 is graded B (Low Concern) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-CONCENTRATION-.

POLYURETHANE-17

Safety grade: B

Polyurethane-17 is a synthetic plastic-like polymer that forms a flexible, protective layer on your skin or hair. It's commonly used in cosmetics to create a smooth, long-lasting finish.

This ingredient creates a thin, flexible film on the skin or hair surface that helps lock in moisture, provides a smooth texture, and improves the longevity of makeup or styling products.

Graded using: COSING.

Last verified: May 26, 2026

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