Allowed in EU

Methyltrimethoxysilane

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

What is it?

Silane, Trimethoxymethyl-

What does it do?

Methyltrimethoxysilane is listed in the EU cosmetic ingredient inventory with the following declared functions:

  • Film forming

    forms a thin continuous film on skin, hair, or nails — used in long-wear makeup, sunscreens, and hairsprays

EU regulatory status

Methyltrimethoxysilane 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 Methyltrimethoxysilane?

Methyltrimethoxysilane is a cosmetic ingredient catalogued in the EU CosIng database. Silane, Trimethoxymethyl-

Is Methyltrimethoxysilane allowed in cosmetics in the EU?

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

What does Methyltrimethoxysilane do in cosmetic products?

Methyltrimethoxysilane is declared in the EU cosmetic ingredient inventory with these functions: film forming.

What is the CAS number of Methyltrimethoxysilane?

The CAS (Chemical Abstracts Service) number for Methyltrimethoxysilane is 1185-55-3.

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