POLYESTER-31 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYESTER-31

Safety grade: A

A synthetic polymer that works as a film-former and texture enhancer in cosmetics. It helps products spread smoothly on skin and creates a light, breathable layer that doesn't feel heavy. You'll find it in foundations, powders, and long-wear makeup products where durability and comfort matter.

Graded using: COSING.

Last verified: June 9, 2026