# SODIUM LANETH-40 MALEATE/STYRENE SULFONATE COPOLYMER

URL: https://app.greenveil.ai/ingredients/ingredient_inci_sodium_laneth_40_maleate_styrene_sulfonate_copolymer
Categories: beauty
Functions: Hair fixing, Hair waving or straightening, Film forming
Identifier: SODIUM LANETH-40 MALEATE/STYRENE SULFONATE COPOLYMER

> SODIUM LANETH-40 MALEATE/STYRENE SULFONATE COPOLYMER: Used in cosmetics as a hair fixative, a hair waving or straightening agent and a film former. 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 — Sodium Laneth-40 Maleate/Styrene Sulfonate Copolymer is the copolymer of sodium laneth-40 maleate and styrene sulfonate monomers

## 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/83649

_Assessed by Greenveil._