Butene/isobutene Copolymer
A cosmetic ingredient used as binding, humectant, viscosity controlling in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Butene, polymer with 2-methyl-1-propene
What does it do?
Butene/isobutene Copolymer 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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Humectant
draws moisture from the air or deeper skin layers to the surface, helping skin retain water
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Viscosity controlling
adjusts the thickness or flow of a formulation
EU regulatory status
Butene/isobutene Copolymer 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 Butene/isobutene Copolymer?
Butene/isobutene Copolymer is a cosmetic ingredient catalogued in the EU CosIng database. Butene, polymer with 2-methyl-1-propene
Is Butene/isobutene Copolymer allowed in cosmetics in the EU?
Yes. Butene/isobutene Copolymer is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Butene/isobutene Copolymer do in cosmetic products?
Butene/isobutene Copolymer is declared in the EU cosmetic ingredient inventory with these functions: binding, humectant, viscosity controlling.
What is the CAS number of Butene/isobutene Copolymer?
The CAS (Chemical Abstracts Service) number for Butene/isobutene Copolymer is 9044-17-1.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 24/04/2018