# POLYSTYRENE/HYDROGENATED POLYISOPENTENE COPOLYMER

URL: https://app.greenveil.ai/ingredients/ingredient_inci_polystyrene_hydrogenated_polyisopentene_copolymer
Categories: beauty
Functions: Light stabilizer, Viscosity controlling
Identifier: POLYSTYRENE/HYDROGENATED POLYISOPENTENE COPOLYMER

> POLYSTYRENE/HYDROGENATED POLYISOPENTENE COPOLYMER: Used in cosmetics as a light stabiliser and a thickener. Copolymer of polystyrene and hydrogenated polyisopentene. Canonical ingredient record built from 1 public-source records. Compiled from 1 published data source.

## 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: Canonical ingredient record built from 1 public-source records.

## Regulatory status

- EU: Active — Copolymer of polystyrene and hydrogenated polyisopentene

## 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/58910

_Assessed by Greenveil._