# ACRYLATES/STEARETH-20 METHACRYLATE COPOLYMER

URL: https://app.greenveil.ai/ingredients/ingredient_unii_epa1872_r1_n
Categories: beauty
Functions: Viscosity controlling
Identifier: ACRYLATES/STEARETH-20 METHACRYLATE COPOLYMER

> ACRYLATES/STEARETH-20 METHACRYLATE COPOLYMER: Used in cosmetics as a thickener. FDA GSRS classifies this ingredient as ingredient substance polymer. 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: FDA GSRS classifies this ingredient as ingredient substance polymer.

## Regulatory status

- EU: Active — Acrylates/Steareth-20 Methacrylate Copolymer is a copolymer of the ester of methacrylic acid and Steareth-20 (q.v.) and one or more monomers of acrylic acid, methacrylic acid or one of their simple esters
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as polymer.

## 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/31663
- FDA GSRS UNII (updated 2026-02-26): https://precision.fda.gov/uniisearch/
- openFDA Substance (updated 2026-05-24): https://api.fda.gov/other/substance.json?search=unii:EPA1872R1N

_Assessed by Greenveil._