Polyquaternium-15
A cosmetic ingredient used as antistatic, film forming, hair fixing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Polyquaternium-15 is the polymeric quaternary ammonium salt formed from Methacrylamide (q.v.) and betamethacrylyloxyethyl trimethyl ammonium chloride.
What does it do?
Polyquaternium-15 is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Antistatic
reduces static electricity, mostly in hair products to keep strands smooth and manageable
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Film forming
forms a thin continuous film on skin, hair, or nails — used in long-wear makeup, sunscreens, and hairsprays
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Hair fixing
holds hair in a desired style, typically through a flexible film coating each strand
EU regulatory status
This ingredient is restricted in the European Union.
Polyquaternium-15 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-15?
Polyquaternium-15 is a cosmetic ingredient catalogued in the EU CosIng database. Polyquaternium-15 is the polymeric quaternary ammonium salt formed from Methacrylamide (q.v.) and betamethacrylyloxyethyl trimethyl ammonium chloride.
Is Polyquaternium-15 allowed in cosmetics in the EU?
Only with restrictions. Polyquaternium-15 is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.
What does Polyquaternium-15 do in cosmetic products?
Polyquaternium-15 is declared in the EU cosmetic ingredient inventory with these functions: antistatic, film forming, hair fixing.
What is the CAS number of Polyquaternium-15?
The CAS (Chemical Abstracts Service) number for Polyquaternium-15 is 35429-19-7 / 67504-24-9.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 18/09/2020