POLYURETHANE-13 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYURETHANE-13

Safety grade: A

Polyurethane-13 is a synthetic plastic-like polymer that forms a flexible, protective layer on the skin or product surface. It's the same type of material used to make flexible plastics and coatings.

This ingredient creates a breathable, water-resistant film on the skin that helps lock in moisture, improve product wear-time, and enhance the durability of cosmetic formulations.

Graded using: COSING.

Last verified: May 26, 2026