ACETALDEHYDE

Banned in the EU CAS: 75-07-0CosIng #74144

ACETALDEHYDE is banned in cosmetics in the EU — Annex II, entry 1391 of Regulation (EC) No 1223/2009. Review the regulatory details and Safety Gate alerts.

Regulatory status as of 2026-08-28 (per the CosIng database).

About the ingredient

Acetaldehyde

EU regulatory status

Annex of Regulation (EC) No 1223/2009: II/1391

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.

Last updated:

Functions in cosmetics

Frequently asked questions

  • Is ACETALDEHYDE safe in cosmetics?

    ACETALDEHYDE is banned in the EU under Annex II of Regulation (EC) No 1223/2009 and may not be used in cosmetics placed on the EU market. Cosmetics containing this substance are withdrawn by national inspectorates and reported to the EU Safety Gate database.

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

    ACETALDEHYDE is listed under reference II/1391 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 ACETALDEHYDE perform in cosmetics?

    According to the European Commission's CosIng database, ACETALDEHYDE performs the following functions in cosmetics: FRAGRANCE. 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 ACETALDEHYDE?

    Our copy of the EU Safety Gate database currently contains no alerts linking ACETALDEHYDE to a cosmetic recall. The database is refreshed regularly from the European Commission's official Safety Gate system.

Want to know when a cosmetic on your shelf gets recalled?

BeautyGuard lets you add cosmetics to a watchlist and cross-check them against the EU Safety Gate database. See plan details and email notifications on the pricing page.