Diethyl Phthalate
A cosmetic ingredient used as denaturant, film forming, fragrance in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Diethyl phthalate
What does it do?
Diethyl Phthalate is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Denaturant
makes ethanol in cosmetics unfit for drinking — required by regulation when alcohol is used
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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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Fragrance
provides scent or masks the natural odour of other ingredients
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Hair conditioning
improves the appearance, feel, and manageability of hair
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Plasticiser
adds flexibility to film-forming polymers, e.g. in nail polish or mascara
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Solvent
dissolves other ingredients into a uniform liquid phase
EU regulatory status
Diethyl Phthalate 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 Diethyl Phthalate?
Diethyl Phthalate is a cosmetic ingredient catalogued in the EU CosIng database. Diethyl phthalate
Is Diethyl Phthalate allowed in cosmetics in the EU?
Yes. Diethyl Phthalate is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Diethyl Phthalate do in cosmetic products?
Diethyl Phthalate is declared in the EU cosmetic ingredient inventory with these functions: denaturant, film forming, fragrance, hair conditioning, plasticiser, solvent.
What is the CAS number of Diethyl Phthalate?
The CAS (Chemical Abstracts Service) number for Diethyl Phthalate is 84-66-2.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/10/2010