Allowed in EU

Toluene Sulfonic Acid

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

What is it?

Toluene-4-sulphonic acid

What does it do?

Toluene Sulfonic Acid is listed in the EU cosmetic ingredient inventory with the following declared functions:

  • Surfactant - cleansing

    surfactant whose primary cosmetic role is cleansing — the active workhorse in soaps, shampoos, and body washes

  • Surfactant - hydrotrope

    surfactant that increases the solubility of poorly-soluble substances in water-based formulations

EU regulatory status

Toluene Sulfonic Acid 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 Toluene Sulfonic Acid?

Toluene Sulfonic Acid is a cosmetic ingredient catalogued in the EU CosIng database. Toluene-4-sulphonic acid

Is Toluene Sulfonic Acid allowed in cosmetics in the EU?

Yes. Toluene Sulfonic Acid is allowed for use in cosmetic products in the EU under Regulation 1223/2009.

What does Toluene Sulfonic Acid do in cosmetic products?

Toluene Sulfonic Acid is declared in the EU cosmetic ingredient inventory with these functions: surfactant - cleansing, surfactant - hydrotrope.

What is the CAS number of Toluene Sulfonic Acid?

The CAS (Chemical Abstracts Service) number for Toluene Sulfonic Acid is 104-15-4.

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