A synthetic ceramide with an esterified omega-hydroxy fatty acid, listed as a hair- and skin-conditioning ingredient.
What it is
Ceramide EOS is, according to CosIng, a synthetic N-acylated sphingolipid made of D-erythro sphingosine linked to an omega-hydroxy fatty acid that is itself esterified with another fatty acid. In the ceramide nomenclature, E stands for the esterified fatty acid, O for omega-hydroxy and S for sphingosine. CosIng lists it as a hair-conditioning and skin-conditioning ingredient.
Where it is used
Appears on the ingredient lists of a small number of products.
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.
The INCI name does not show the exact fatty acid chain lengths.
Functions
- Hair conditioning
- Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
- 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.

