POLYURETHANE-45 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYURETHANE-45

Safety grade: A

This is a plastic-like polymer that creates a flexible, water-resistant coating on the skin or product surface. It's similar to the material used in some waterproof fabrics or protective coatings.

It forms a breathable film layer on the skin that helps products last longer, improves water resistance, and can provide a smooth, polished appearance.

Graded using: COSING.

Last verified: May 26, 2026