POLYSTYRENE is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.
POLYSTYRENE
Safety grade: A
Polystyrene is a lightweight plastic material commonly used in everyday products. In cosmetics, it's used in tiny bead or powder form to create a protective layer on the skin or product.
Polystyrene forms a thin, flexible film on the skin or product surface that helps lock in moisture, improve product texture, and enhance wear time.
Graded using: COSING, FDA.
Last verified: May 26, 2026
Other Film Forming ingredients
- CELLULOSE GUM — Grade A
- GUAR HYDROXYPROPYLTRIMONIUM CHLORIDE — Grade A
- POLYQUATERNIUM-7 — Grade B
- POLYQUATERNIUM-10 — Grade A
- HYDROXYETHYLCELLULOSE — Grade A
- ACRYLATES COPOLYMER — Grade A
- MALTODEXTRIN — Grade A
- CERA ALBA — Grade A