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Polyquaternium-5

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

What is it?

Ethanaminium, N,N,N-trimethyl-2-[(2-methyl-1-oxo-2-propenyl)oxy]-, methyl sulfate, polymer with 2-propenamide

What does it do?

Polyquaternium-5 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

This ingredient is restricted in the European Union.

Polyquaternium-5 is listed under Annex III of EU Cosmetics Regulation 1223/2009 (entry 66). It is permitted only under specific conditions, concentration limits, or in particular product types.

Frequently asked questions

What is Polyquaternium-5?

Polyquaternium-5 is a cosmetic ingredient catalogued in the EU CosIng database. Ethanaminium, N,N,N-trimethyl-2-[(2-methyl-1-oxo-2-propenyl)oxy]-, methyl sulfate, polymer with 2-propenamide

Is Polyquaternium-5 allowed in cosmetics in the EU?

Only with restrictions. Polyquaternium-5 is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.

What does Polyquaternium-5 do in cosmetic products?

Polyquaternium-5 is declared in the EU cosmetic ingredient inventory with these functions: antistatic, film forming.

What is the CAS number of Polyquaternium-5?

The CAS (Chemical Abstracts Service) number for Polyquaternium-5 is 26006-22-4.

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