Allowed in EU

Isobutylene/isoprene Copolymer

A cosmetic ingredient used as viscosity controlling in skincare, haircare, and personal-care products sold in the European Union.

What is it?

1,3-Butadiene-, polymer with 2-methyl-1-propene

What does it do?

Isobutylene/isoprene Copolymer is listed in the EU cosmetic ingredient inventory with the following declared functions:

EU regulatory status

Isobutylene/isoprene 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 Isobutylene/isoprene Copolymer?

Isobutylene/isoprene Copolymer is a cosmetic ingredient catalogued in the EU CosIng database. 1,3-Butadiene-, polymer with 2-methyl-1-propene

Is Isobutylene/isoprene Copolymer allowed in cosmetics in the EU?

Yes. Isobutylene/isoprene Copolymer is allowed for use in cosmetic products in the EU under Regulation 1223/2009.

What does Isobutylene/isoprene Copolymer do in cosmetic products?

Isobutylene/isoprene Copolymer is declared in the EU cosmetic ingredient inventory with these functions: viscosity controlling.

What is the CAS number of Isobutylene/isoprene Copolymer?

The CAS (Chemical Abstracts Service) number for Isobutylene/isoprene Copolymer is 9010-85-9.

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