Quaternium-73
A cosmetic ingredient used as antistatic in skincare, haircare, and personal-care products sold in the European Union.
What is it?
3-Heptyl-2-[(3-heptyl-4-methyl-3H-thiazol-2-ylidene)methyl]-4-methylthiazolium iodide
What does it do?
Quaternium-73 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-73 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-73?
Quaternium-73 is a cosmetic ingredient catalogued in the EU CosIng database. 3-Heptyl-2-[(3-heptyl-4-methyl-3H-thiazol-2-ylidene)methyl]-4-methylthiazolium iodide
Is Quaternium-73 allowed in cosmetics in the EU?
Yes. Quaternium-73 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Quaternium-73 do in cosmetic products?
Quaternium-73 is declared in the EU cosmetic ingredient inventory with these functions: antistatic.
What is the CAS number of Quaternium-73?
The CAS (Chemical Abstracts Service) number for Quaternium-73 is 15763-48-1.
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