# Polystyrene

URL: https://app.greenveil.ai/ingredients/ingredient_dtxsid_dtxsid5031925
Categories: beauty, cleaning, industrial
Functions: Film forming, Thickener, Film former, Opacifier
Identifier: DTXSID5031925

> Polystyrene: Used in cosmetics as a film former. EPA CPDat observed this chemical in 436 composition records across product categories including Construction and building materials, Furniture and furnishings, Cons. electronics, mech. appliances, and machinery. Compiled from 3 published data sources.

## Safety assessment

- Chemical concern: not yet assessed
- Is it a concern? We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
- Rationale: EPA CPDat observed this chemical in 436 composition records across product categories including Construction and building materials, Furniture and furnishings, Cons. electronics, mech. appliances, and machinery.

## Regulatory status

- EU: Active — Listed in CosIng inventory for cosmetic use.
- US: commercial use observed — EPA CPDat observed this chemical in 436 composition records across product categories including Construction and building materials, Furniture and furnishings, Cons. electronics, mech. appliances, and machinery. EPA CPDat classifies this chemical for functional uses including Film former, Opacifer, Thickening agent.

## Expert safety opinions

- SCCS (EU Scientific Committee on Consumer Safety): no opinion on file.
- CIR (Cosmetic Ingredient Review (US expert panel)): no opinion on file.

## Data sources

- CosIng (updated 2026-09-23): https://ec.europa.eu/growth/tools-databases/cosing/details/79328
- EPA Chemical and Products Database (updated october 27, 2016): https://living-future.org/declare-products/aquia-dual-max-1-6gpf-0-9gpf-two-piece-toilet/
- EPA DSSTox Identifiers (updated 2025-12-29): https://epa.figshare.com/articles/dataset/Chemistry_Dashboard_Data_DSSTox_Identifiers_Mapped_to_CAS_Numbers_and_Names/5588566

_Assessed by Greenveil._