Polyquaternium-51
A cosmetic ingredient used as film forming, skin conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
2-(N,N,N-Trimethylamino)ethyl 2-(2-methyl-2-propenoyloxy)ethyl phosphate inner salt, polymer with butyl 2-methyl-2-propenoate
What does it do?
Polyquaternium-51 is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Film forming
forms a thin continuous film on skin, hair, or nails — used in long-wear makeup, sunscreens, and hairsprays
-
Skin conditioning
improves the appearance, feel, and condition of skin
EU regulatory status
Polyquaternium-51 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-51?
Polyquaternium-51 is a cosmetic ingredient catalogued in the EU CosIng database. 2-(N,N,N-Trimethylamino)ethyl 2-(2-methyl-2-propenoyloxy)ethyl phosphate inner salt, polymer with butyl 2-methyl-2-propenoate
Is Polyquaternium-51 allowed in cosmetics in the EU?
Yes. Polyquaternium-51 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Polyquaternium-51 do in cosmetic products?
Polyquaternium-51 is declared in the EU cosmetic ingredient inventory with these functions: film forming, skin conditioning.
What is the CAS number of Polyquaternium-51?
The CAS (Chemical Abstracts Service) number for Polyquaternium-51 is 125275-25-4.
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