Polystyrene
A cosmetic ingredient used as film forming in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Ethenylbenzene, homopolymer
What does it do?
Polystyrene is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Film forming
forms a thin continuous film on skin, hair, or nails — used in long-wear makeup, sunscreens, and hairsprays
EU regulatory status
Polystyrene is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Polystyrene?
Polystyrene is a cosmetic ingredient catalogued in the EU CosIng database. Ethenylbenzene, homopolymer
Is Polystyrene allowed in cosmetics in the EU?
Yes. Polystyrene is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Polystyrene do in cosmetic products?
Polystyrene is declared in the EU cosmetic ingredient inventory with these functions: film forming.
What is the CAS number of Polystyrene?
The CAS (Chemical Abstracts Service) number for Polystyrene is 9003-53-6.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/10/2010