INCI ingredient

Undecylenic Acid

Undecylenic Acid appears on 4 ingredient lists in our database, most often in face makeups.

What it triggers

Undecylenic Acid appears on 4 ingredient lists in our database, most often in face makeups.

It does not belong to any of the six groups we check, so it never changes a verdict.

We have not written the plain-language note for this ingredient yet; the facts above come straight from how it is classified.

Functions: antimicrobial, surfactant - emulsifying, fragrance, preservative, surfactant - cleansing

in 4 products

Showing 4 of 4 products with this ingredient, most scanned first.

Functions listed by CosIng

antimicrobial: Preventing and/or slowing down microbial growth.
surfactant - emulsifying: Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.
fragrance: Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
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.

CAS 112-38-9 · EC 203-965-8

EU regulation

Listed in Annex V (ref. 18) of the EU Cosmetics Regulation, maximum concentration 0.2% (as acid). V/18

Source: CosIng, European Commission. Informative, no legal value; the regulation text is the reference.

Classification from the INCI name; product lists from Open Beauty Facts.Report a mistake