Allowed in EU

Trimethyl Hydroxypentyl Isobutyrate

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

What is it?

Propanoic Acid, 2-Methyl-, Monoester with 2,2,4-Trimethyl-1,3-Pentanediol

What does it do?

Trimethyl Hydroxypentyl Isobutyrate is listed in the EU cosmetic ingredient inventory with the following declared functions:

  • Plasticiser

    adds flexibility to film-forming polymers, e.g. in nail polish or mascara

EU regulatory status

Trimethyl Hydroxypentyl Isobutyrate 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 Trimethyl Hydroxypentyl Isobutyrate?

Trimethyl Hydroxypentyl Isobutyrate is a cosmetic ingredient catalogued in the EU CosIng database. Propanoic Acid, 2-Methyl-, Monoester with 2,2,4-Trimethyl-1,3-Pentanediol

Is Trimethyl Hydroxypentyl Isobutyrate allowed in cosmetics in the EU?

Yes. Trimethyl Hydroxypentyl Isobutyrate is allowed for use in cosmetic products in the EU under Regulation 1223/2009.

What does Trimethyl Hydroxypentyl Isobutyrate do in cosmetic products?

Trimethyl Hydroxypentyl Isobutyrate is declared in the EU cosmetic ingredient inventory with these functions: plasticiser.

What is the CAS number of Trimethyl Hydroxypentyl Isobutyrate?

The CAS (Chemical Abstracts Service) number for Trimethyl Hydroxypentyl Isobutyrate is 25265-77-4.

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