Allowed in EU

Polyquaternium-4

A cosmetic ingredient used as antistatic, film forming in skincare, haircare, and personal-care products sold in the European Union.

What is it?

Cellulose, 2-hydroxyethyl ether, polymer with N,N-dimethyl-N-(2-propenyl)-2-propenaminium chloride

What does it do?

Polyquaternium-4 is listed in the EU cosmetic ingredient inventory with the following declared functions:

  • Antistatic

    reduces static electricity, mostly in hair products to keep strands smooth and manageable

  • Film forming

    forms a thin continuous film on skin, hair, or nails — used in long-wear makeup, sunscreens, and hairsprays

EU regulatory status

Polyquaternium-4 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 Polyquaternium-4?

Polyquaternium-4 is a cosmetic ingredient catalogued in the EU CosIng database. Cellulose, 2-hydroxyethyl ether, polymer with N,N-dimethyl-N-(2-propenyl)-2-propenaminium chloride

Is Polyquaternium-4 allowed in cosmetics in the EU?

Yes. Polyquaternium-4 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.

What does Polyquaternium-4 do in cosmetic products?

Polyquaternium-4 is declared in the EU cosmetic ingredient inventory with these functions: antistatic, film forming.

What is the CAS number of Polyquaternium-4?

The CAS (Chemical Abstracts Service) number for Polyquaternium-4 is 92183-41-0.

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