BUTYL METHOXYDIBENZOYLMETHANE

Annex IV–VI CAS: 70356-09-1CosIng #31713

BUTYL METHOXYDIBENZOYLMETHANE is approved in cosmetics in the EU as a UV filter — Annex VI, entry 8 of Regulation (EC) No 1223/2009. Review the concentration limits 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

1-[4-(1,1-Dimethylethyl)phenyl]-3-(4-methoxyphenyl)propane-1,3-dione

EU regulatory status

Annex of Regulation (EC) No 1223/2009: VI/8

1-(4-tert-Butylphenyl)-3-(4-methoxyphenyl) propane-1,3-dione / Avobenzone

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 BUTYL METHOXYDIBENZOYLMETHANE safe in cosmetics?

    BUTYL METHOXYDIBENZOYLMETHANE is included on the EU positive list of special-purpose additives (Annex IV – colorants, Annex V – preservatives, or Annex VI – UV filters of Regulation (EC) No 1223/2009). It may be used in cosmetics under the conditions laid down for the relevant annex: permitted product categories, maximum concentration and required warnings.

  • In which annex of Regulation 1223/2009 does BUTYL METHOXYDIBENZOYLMETHANE fall?

    BUTYL METHOXYDIBENZOYLMETHANE falls under reference VI/8 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 BUTYL METHOXYDIBENZOYLMETHANE perform in cosmetics?

    According to the European Commission's CosIng database, BUTYL METHOXYDIBENZOYLMETHANE performs the following functions in cosmetics: LIGHT STABILIZER, UV ABSORBER, UV FILTER. 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 BUTYL METHOXYDIBENZOYLMETHANE?

    We found 1 recent alerts in the EU Safety Gate database in which BUTYL METHOXYDIBENZOYLMETHANE 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.

Safety Gate alerts mentioning this ingredient

We found 1 recent EU Safety Gate alerts that mention BUTYL METHOXYDIBENZOYLMETHANE in the hazard description or ingredient list.

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