Allowed in EU

Trimethylamine Oxide

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

What is it?

Methanamine, N,N-Dimethyl-, N-Oxide, Dihydrate

What does it do?

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

Fragrance
provides scent or masks the natural odour of other ingredients
Humectant
draws moisture from the air or deeper skin layers to the surface, helping skin retain water

EU regulatory status

Trimethylamine Oxide 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 Trimethylamine Oxide?

Trimethylamine Oxide is a cosmetic ingredient catalogued in the EU CosIng database. Methanamine, N,N-Dimethyl-, N-Oxide, Dihydrate

Is Trimethylamine Oxide allowed in cosmetics in the EU?

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

What does Trimethylamine Oxide do in cosmetic products?

Trimethylamine Oxide is declared in the EU cosmetic ingredient inventory with these functions: fragrance, humectant.

What is the CAS number of Trimethylamine Oxide?

The CAS (Chemical Abstracts Service) number for Trimethylamine Oxide is 62637-93-8.

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