This entry shows data from the EU CosIng database. An editorial description has not been written and reviewed yet.
Functions
- Surfactant – emulsifying
- Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.
- Preservative
- Exclusively or mainly intended to inhibit the development of micro-organisms in the cosmetic product. All authorised preservatives are substances in the positive list of Annex V to the Cosmetics Regulation 1223/2009.
- Surfactant – cleansing
- Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).
EU regulation
EU · Annex V, entry 18Undec-10-enoic acid and its salts
- Maximum concentration
- 0.2% (as acid)
- As of
- 3 November 2026 · (EC) 2009/1223

