Allowed in EU

Sodium Thiosulfate

A cosmetic ingredient used as reducing in skincare, haircare, and personal-care products sold in the European Union.

What is it?

Sodium thiosulphate

What does it do?

Sodium Thiosulfate is listed in the EU cosmetic ingredient inventory with the following declared functions:

  • Reducing

    a reducing agent — donates electrons to break chemical bonds, used in perms and depilatories

EU regulatory status

Sodium Thiosulfate 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 Sodium Thiosulfate?

Sodium Thiosulfate is a cosmetic ingredient catalogued in the EU CosIng database. Sodium thiosulphate

Is Sodium Thiosulfate allowed in cosmetics in the EU?

Yes. Sodium Thiosulfate is allowed for use in cosmetic products in the EU under Regulation 1223/2009.

What does Sodium Thiosulfate do in cosmetic products?

Sodium Thiosulfate is declared in the EU cosmetic ingredient inventory with these functions: reducing.

What is the CAS number of Sodium Thiosulfate?

The CAS (Chemical Abstracts Service) number for Sodium Thiosulfate is 7772-98-7 / 10102-17-7.

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