Polybutylene Terephthalate
A cosmetic ingredient used as film forming, viscosity controlling in skincare, haircare, and personal-care products sold in the European Union.
What is it?
1,4-Benzenedicarboxylic acid, polymer with 1,4-butanediol
What does it do?
Polybutylene Terephthalate is listed in the EU cosmetic ingredient inventory with the following declared functions:
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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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Viscosity controlling
adjusts the thickness or flow of a formulation
EU regulatory status
Polybutylene Terephthalate 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 Polybutylene Terephthalate?
Polybutylene Terephthalate is a cosmetic ingredient catalogued in the EU CosIng database. 1,4-Benzenedicarboxylic acid, polymer with 1,4-butanediol
Is Polybutylene Terephthalate allowed in cosmetics in the EU?
Yes. Polybutylene Terephthalate is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Polybutylene Terephthalate do in cosmetic products?
Polybutylene Terephthalate is declared in the EU cosmetic ingredient inventory with these functions: film forming, viscosity controlling.
What is the CAS number of Polybutylene Terephthalate?
The CAS (Chemical Abstracts Service) number for Polybutylene Terephthalate is 26062-94-2.
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