Thiosalicylic Acid
A cosmetic ingredient used as antioxidant, keratolytic, reducing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
2-Mercaptobenzoic acid
What does it do?
Thiosalicylic Acid is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Antioxidant
neutralises free radicals to slow oxidative damage to the formulation or skin
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Keratolytic
softens and dissolves the outermost layer of skin keratin, used in exfoliants and acne treatments
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Reducing
a reducing agent — donates electrons to break chemical bonds, used in perms and depilatories
EU regulatory status
Thiosalicylic 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 Thiosalicylic Acid?
Thiosalicylic Acid is a cosmetic ingredient catalogued in the EU CosIng database. 2-Mercaptobenzoic acid
Is Thiosalicylic Acid allowed in cosmetics in the EU?
Yes. Thiosalicylic Acid is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Thiosalicylic Acid do in cosmetic products?
Thiosalicylic Acid is declared in the EU cosmetic ingredient inventory with these functions: antioxidant, keratolytic, reducing.
What is the CAS number of Thiosalicylic Acid?
The CAS (Chemical Abstracts Service) number for Thiosalicylic Acid is 147-93-3.
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