Potassium Tetrathionate
A cosmetic ingredient used as reducing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Tetrathionic acid, dipotassium salt
What does it do?
Potassium Tetrathionate is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Reducing
a reducing agent — donates electrons to break chemical bonds, used in perms and depilatories
EU regulatory status
Potassium Tetrathionate 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 Potassium Tetrathionate?
Potassium Tetrathionate is a cosmetic ingredient catalogued in the EU CosIng database. Tetrathionic acid, dipotassium salt
Is Potassium Tetrathionate allowed in cosmetics in the EU?
Yes. Potassium Tetrathionate is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Potassium Tetrathionate do in cosmetic products?
Potassium Tetrathionate is declared in the EU cosmetic ingredient inventory with these functions: reducing.
What is the CAS number of Potassium Tetrathionate?
The CAS (Chemical Abstracts Service) number for Potassium Tetrathionate is 13932-13-3.
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