Quaternium-51
A cosmetic ingredient used as antistatic in skincare, haircare, and personal-care products sold in the European Union.
What is it?
2-[2-[(5-bromo-2-pyridyl)amino]vinyl]-1-ethyl-6-methylpyridinium iodide
What does it do?
Quaternium-51 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
EU regulatory status
Quaternium-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 Quaternium-51?
Quaternium-51 is a cosmetic ingredient catalogued in the EU CosIng database. 2-[2-[(5-bromo-2-pyridyl)amino]vinyl]-1-ethyl-6-methylpyridinium iodide
Is Quaternium-51 allowed in cosmetics in the EU?
Yes. Quaternium-51 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Quaternium-51 do in cosmetic products?
Quaternium-51 is declared in the EU cosmetic ingredient inventory with these functions: antistatic.
What is the CAS number of Quaternium-51?
The CAS (Chemical Abstracts Service) number for Quaternium-51 is 1463-95-2.
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