INCI name

THIMEROSAL

Thiomersal

PreservativeBasic data from CosIng

This entry shows data from the EU CosIng database. An editorial description has not been written and reviewed yet.

Functions

Preservative
Exclusively or mainly intended to inhibit the development of micro-organisms in the cosmetic product. All authorised preservatives are substances in the positive list of Annex V to the Cosmetics Regulation 1223/2009.

EU regulation

EU · Annex V, entry 16Thiomersal
Product type
Eye products
Maximum concentration
0.007% (of Hg) If mixed with other mercurial compounds authorized by this Regulation, the maximum concentration of Hg remains fixed at 0.007%
Conditions and warnings
Contains Thiomersal
As of
3 November 2026 · (EC) 2009/1223

Scientific opinions (SCCS)

Opinions of the EU Scientific Committee on Consumer Safety that mention this ingredient. They assess specific uses and concentrations; read the opinion for its scope.

Check a full ingredient list