POLYESTER-3 is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.

POLYESTER-3

Safety grade: A

Polyester-3 is a synthetic polymer, essentially a plastic-like ingredient made through chemical processes. It's used in cosmetics to create a lightweight, breathable coating on skin or hair.

This ingredient forms a thin, flexible film on the skin or hair surface that helps products last longer, improves texture, and provides a smooth, polished finish.

Graded using: COSING, FDA.

Last verified: May 26, 2026