Description

Polybutylene terephthalate is a chemical compound, modified terephthalate polymer, a copolymer of 1,4-butanediol and dimethyl terephthalate or terephthalic acid. Terephthalic acid is an aromatic carboxylic acid used in the production of polyester fibres.

Safety. Cases of allergy to terephthalic acid have been reported.

What it is used for and where
Cosmetics  
Film-forming agent. It produces a continuous ultra-thin film with an optimal balance of cohesion, adhesion and stickiness on the skin or hair to counteract or limit damage from external phenomena such as chemicals, UV rays and pollution.

Hair fixative. This ingredient has the ability to create, with its protective film, stiffness and hold in the hair, and also has the ability to form, with its hydrophilic and elastic properties, bonds between the hair fibres, to keep the hair in a particular shape for a certain time.

Viscosity Enhancing Agent - non acqueous. Since viscosity is important for increasing the chemical and physical stability of the product, Viscosity Enhancing Agent non acqueous is an important dosage factor in gels, suspensions, emulsions, solutions. Increasing viscosity makes formulations less sedimentary and more homogeneously thickened.
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CAS: 24968-12-5 26062-94-2