COUMARIN

Allergen CAS: 91-64-5CosIng #33057

COUMARIN is identified as a fragrance allergen subject to mandatory label declaration under Regulation (EC) No 1223/2009.

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

About the ingredient

Coumarin; 2H-1-Benzopyran-2-one

EU regulatory status

Annex of Regulation (EC) No 1223/2009: III/77

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 COUMARIN safe in cosmetics?

    COUMARIN is one of the 26 EU fragrance allergens whose presence must be declared on the label when its concentration exceeds 0.001% in leave-on products or 0.01% in rinse-off products.

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

    COUMARIN is listed under reference III/77 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 COUMARIN perform in cosmetics?

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

    We found 5 recent alerts in the EU Safety Gate database in which COUMARIN 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.

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