POLYESTER-1 is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.

POLYESTER-1

Safety grade: A

Polyester-1 is a synthetic polymer, similar to the plastic material used in clothing and bottles, but specially formulated for cosmetics. It creates a thin, flexible protective layer on the skin or hair.

This ingredient forms a breathable film on the skin or hair surface that helps lock in moisture, improve product wear time, and create a smooth, polished finish.

Graded using: COSING, FDA.

Last verified: May 26, 2026

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