SOLVENT RED 24
SOLVENT RED 24 is banned in cosmetics in the EU — Annex II, entry 379 of Regulation (EC) No 1223/2009. Review the regulatory details and Safety Gate alerts.
Regulatory data checked on 2026-09-05. The legal status follows Regulation (EC) No 1223/2009 and its annexes; the substance is identified from the European Commission's CosIng database.
About the ingredient
2',3-Dimethyl-4-(2-Hydroxynaphthylazo) Azobenzene
EU regulatory status
Annex of Regulation (EC) No 1223/2009: II/379
What entry II/379 of the Regulation says
Colouring agent CI 26105 (Solvent Red 24)
Source: the European Commission's official CosIng database and Regulation (EC) No 1223/2009 of the European Parliament and of the Council on cosmetic products. How we assess ingredients — full methodology.
- View the entry in the CosIng database (European Commission)
- Open Regulation 1223/2009 in EUR-Lex
- Check the chemical profile in PubChem
Last updated:
Functions in cosmetics
Frequently asked questions
Is SOLVENT RED 24 safe in cosmetics?
SOLVENT RED 24 falls under Annex II to Regulation (EC) No 1223/2009, and under Article 14 a cosmetic product placed on the EU market must not contain a substance prohibited by that annex. This is a legal status, not a toxicity finding about any particular product. Where a non-compliant product is found, the competent authority requires the responsible person to bring it into conformity, withdraw it from the market or recall it, proportionate to the risk; products presenting a serious risk are also notified through the EU Safety Gate.
In which annex of Regulation 1223/2009 does SOLVENT RED 24 fall?
SOLVENT RED 24 falls under reference II/379 in the annexes of Regulation (EC) No 1223/2009 on cosmetic products. An annex entry may name a substance directly or cover it as part of a broader category. 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 SOLVENT RED 24 perform in cosmetics?
According to the European Commission's CosIng database, SOLVENT RED 24 performs the following functions in cosmetics: COLORANT. 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 SOLVENT RED 24?
Our copy of the EU Safety Gate database currently contains no alerts linking SOLVENT RED 24 to a cosmetic recall. The database is refreshed regularly from the European Commission's official Safety Gate system.