Trimethylbenzoyl Phenylxylylphosphine Oxide
A cosmetic ingredient used as binding, film forming, nail conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Trimethylbenzoyl Phenylxylylphosphine Oxide is the organic compound.
What does it do?
Trimethylbenzoyl Phenylxylylphosphine Oxide is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Binding
holds the components of a formulation together, especially in pressed powders and compact makeup
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Film forming
forms a thin continuous film on skin, hair, or nails — used in long-wear makeup, sunscreens, and hairsprays
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Nail conditioning
improves the appearance, feel, or condition of fingernails and toenails
EU regulatory status
Trimethylbenzoyl Phenylxylylphosphine Oxide is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Trimethylbenzoyl Phenylxylylphosphine Oxide?
Trimethylbenzoyl Phenylxylylphosphine Oxide is a cosmetic ingredient catalogued in the EU CosIng database. Trimethylbenzoyl Phenylxylylphosphine Oxide is the organic compound.
Is Trimethylbenzoyl Phenylxylylphosphine Oxide allowed in cosmetics in the EU?
Yes. Trimethylbenzoyl Phenylxylylphosphine Oxide is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Trimethylbenzoyl Phenylxylylphosphine Oxide do in cosmetic products?
Trimethylbenzoyl Phenylxylylphosphine Oxide is declared in the EU cosmetic ingredient inventory with these functions: binding, film forming, nail conditioning.
What is the CAS number of Trimethylbenzoyl Phenylxylylphosphine Oxide?
The CAS (Chemical Abstracts Service) number for Trimethylbenzoyl Phenylxylylphosphine Oxide is 3052712-42-9.
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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: 13/10/2026