Banned in EU

Trimethylbenzoyl Diphenylphosphine Oxide

A cosmetic ingredient used as nail sculpting in skincare, haircare, and personal-care products sold in the European Union.

What is it?

diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide

What does it do?

Trimethylbenzoyl Diphenylphosphine Oxide is listed in the EU cosmetic ingredient inventory with the following declared functions:

EU regulatory status

This ingredient is banned in the European Union.

Trimethylbenzoyl Diphenylphosphine Oxide is listed under Annex II of EU Cosmetics Regulation 1223/2009 (entry 1731), making it prohibited in cosmetic products placed on the EU market.

Frequently asked questions

What is Trimethylbenzoyl Diphenylphosphine Oxide?

Trimethylbenzoyl Diphenylphosphine Oxide is a cosmetic ingredient catalogued in the EU CosIng database. diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide

Is Trimethylbenzoyl Diphenylphosphine Oxide allowed in cosmetics in the EU?

No. Trimethylbenzoyl Diphenylphosphine Oxide is banned for use in cosmetic products in the EU under Annex II of Regulation 1223/2009.

What does Trimethylbenzoyl Diphenylphosphine Oxide do in cosmetic products?

Trimethylbenzoyl Diphenylphosphine Oxide is declared in the EU cosmetic ingredient inventory with these functions: nail sculpting.

What is the CAS number of Trimethylbenzoyl Diphenylphosphine Oxide?

The CAS (Chemical Abstracts Service) number for Trimethylbenzoyl Diphenylphosphine Oxide is 75980-60-8.

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Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 09/11/2026