Polyquaternium-91
A cosmetic ingredient used as film forming, hair conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Polyquaternium-91 is a polymeric quaternary ammonium salt of hydroxypropyl methacrylate and polyethylene glycol methacrylate quaternized with ethyltrimonium chloride methacrylate
What does it do?
Polyquaternium-91 is listed in the EU cosmetic ingredient inventory with the following declared functions:
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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 conditioning
improves the appearance, feel, and manageability of hair
EU regulatory status
Polyquaternium-91 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-91?
Polyquaternium-91 is a cosmetic ingredient catalogued in the EU CosIng database. Polyquaternium-91 is a polymeric quaternary ammonium salt of hydroxypropyl methacrylate and polyethylene glycol methacrylate quaternized with ethyltrimonium chloride methacrylate
Is Polyquaternium-91 allowed in cosmetics in the EU?
Yes. Polyquaternium-91 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Polyquaternium-91 do in cosmetic products?
Polyquaternium-91 is declared in the EU cosmetic ingredient inventory with these functions: film forming, hair conditioning.
What is the CAS number of Polyquaternium-91?
The CAS (Chemical Abstracts Service) number for Polyquaternium-91 is 1020103-28-9.
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