A C36 dicarboxylic acid made by dimerising linoleic acid, used as an emollient.
What it is
Dilinoleic acid is the dimer of linoleic acid, a C36 dicarboxylic acid formed by joining two molecules of this unsaturated C18 fatty acid; it is also known as dimer acid. CosIng lists it as an emollient and skin-conditioning ingredient.
Where it is used
Appears on the ingredient lists of a small number of products, such as lip products and creams.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
Commercial dimer acids are mixtures of structural isomers, which is why more than one CAS number is listed.
Functions
- Skin conditioning – emollient
- Acting as lubricants on the skin surface providing the skin with a soft and smooth appearance.
- Skin conditioning
- Maintaining the skin in good condition.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.