Thimerosal
A cosmetic ingredient used as preservative in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Mercurate(1-), ethyl[2-mercaptobenzoato(2-)-O, S]-, sodium
What does it do?
Thimerosal is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Preservative
prevents microbial growth in cosmetic products, extending shelf life and protecting users
EU regulatory status
Thimerosal is listed in Annex V of EU Cosmetics Regulation 1223/2009 as a substance permitted for the corresponding category of use.
Frequently asked questions
What is Thimerosal?
Thimerosal is a cosmetic ingredient catalogued in the EU CosIng database. Mercurate(1-), ethyl[2-mercaptobenzoato(2-)-O, S]-, sodium
Is Thimerosal allowed in cosmetics in the EU?
Yes. Thimerosal is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Thimerosal do in cosmetic products?
Thimerosal is declared in the EU cosmetic ingredient inventory with these functions: preservative.
What is the CAS number of Thimerosal?
The CAS (Chemical Abstracts Service) number for Thimerosal is 54-64-8.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 10/08/2020