POLYESTER-42 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYESTER-42

Safety grade: A

This synthetic polymer works as a film-former in cosmetics, creating a smooth, protective layer on skin or hair. It helps products glide on evenly and provides a polished finish that lasts throughout the day. You'll find it in foundations, primers, and long-wear makeup products.

Graded using: COSING.

Last verified: June 9, 2026