CheckVegan

Is Polystyrene vegan?

Polystyrene

Vegan Vegan
Vegetarian Vegetarian

Polystyrene is a synthetic polymer made from styrene monomer, used in cosmetics as a film-former and opacifying agent, and widely used in packaging and consumer products.

Also known as Ethenylbenzene Homopolymer, Ethenylbenzene, homopolymer
INCI name Polystyrene
CAS number 9003-53-6
CosIng ID 79328
Last reviewed 9 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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