THIOGLYCOLIC ACID

Frequently asked questions

• Is THIOGLYCOLIC ACID safe in cosmetics?

  THIOGLYCOLIC ACID is permitted in cosmetics in the EU, but subject to the conditions set out in Regulation (EC) No 1223/2009 — typically a maximum concentration, product category or a mandatory warning on the packaging. Manufacturers must comply with these limits.

• In which annex of Regulation 1223/2009 is THIOGLYCOLIC ACID listed?

  THIOGLYCOLIC ACID is listed under reference III/2a in the annexes of Regulation (EC) No 1223/2009 on cosmetic products. The first part (Roman numeral) indicates the annex: II – prohibited substances, III – substances restricted by conditions, IV – permitted colorants, V – permitted preservatives, VI – permitted UV filters.

• What functions does THIOGLYCOLIC ACID perform in cosmetics?

  According to the European Commission's CosIng database, THIOGLYCOLIC ACID performs the following functions in cosmetics: ANTIOXIDANT, DEPILATORY, HAIR WAVING OR STRAIGHTENING, REDUCING. Functions are defined in the CosIng glossary and describe the technological role of a substance in the finished product.

• Are there Safety Gate alerts concerning THIOGLYCOLIC ACID?

  We found 2 recent alerts in the EU Safety Gate database in which THIOGLYCOLIC ACID appears in the risk description or on the ingredient list of a recalled cosmetic. The full list and details of each alert are below in the Safety Gate alerts section.