Hydroxybutyl Methylcellulose
A cosmetic ingredient used as binding, emulsion stabilising, film forming in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Cellulose, hydroxybutyl methyl ether
What does it do?
Hydroxybutyl Methylcellulose 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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Emulsion stabilising
stabilises emulsions of oil and water, preventing separation over time
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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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Light stabilizer
protects a cosmetic formulation from degradation by UV light, extending its shelf life
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Viscosity controlling
adjusts the thickness or flow of a formulation
EU regulatory status
Hydroxybutyl Methylcellulose 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 Hydroxybutyl Methylcellulose?
Hydroxybutyl Methylcellulose is a cosmetic ingredient catalogued in the EU CosIng database. Cellulose, hydroxybutyl methyl ether
Is Hydroxybutyl Methylcellulose allowed in cosmetics in the EU?
Yes. Hydroxybutyl Methylcellulose is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Hydroxybutyl Methylcellulose do in cosmetic products?
Hydroxybutyl Methylcellulose is declared in the EU cosmetic ingredient inventory with these functions: binding, emulsion stabilising, film forming, light stabilizer, viscosity controlling.
What is the CAS number of Hydroxybutyl Methylcellulose?
The CAS (Chemical Abstracts Service) number for Hydroxybutyl Methylcellulose is 9041-56-9.
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