Butyl Thioglycolate
A cosmetic ingredient used as hair waving or straightening in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Butyl mercaptoacetate
What does it do?
Butyl Thioglycolate is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Hair waving or straightening
permanently changes the shape of hair through chemical reduction and re-oxidation of the hair's disulfide bonds
EU regulatory status
This ingredient is restricted in the European Union.
Butyl Thioglycolate is listed under Annex III of EU Cosmetics Regulation 1223/2009 (entry 2b). It is permitted only under specific conditions, concentration limits, or in particular product types.
Frequently asked questions
What is Butyl Thioglycolate?
Butyl Thioglycolate is a cosmetic ingredient catalogued in the EU CosIng database. Butyl mercaptoacetate
Is Butyl Thioglycolate allowed in cosmetics in the EU?
Only with restrictions. Butyl Thioglycolate is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.
What does Butyl Thioglycolate do in cosmetic products?
Butyl Thioglycolate is declared in the EU cosmetic ingredient inventory with these functions: hair waving or straightening.
What is the CAS number of Butyl Thioglycolate?
The CAS (Chemical Abstracts Service) number for Butyl Thioglycolate is 10047-28-6.
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