POLYURETHANE-73 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYURETHANE-73

Safety grade: A

This synthetic polymer works as a film-former in cosmetics, creating a flexible, breathable layer on skin or hair. It helps products like foundations and mascaras stay put longer while allowing natural movement and flexibility. You'll find it in long-wear formulas where durability and comfort are important.

Graded using: COSING.

Last verified: June 9, 2026