An amino acid-based surfactant made from aspartic acid and coconut fatty acids.
What it is
Sodium diethylaminopropyl cocoaspartamide is the sodium salt of an amphoteric compound built from aspartic acid, coconut fatty acids and diethylaminopropylamine. CosIng lists it as a hair-conditioning ingredient and cleansing surfactant.
Where it is used
Found in shampoos, conditioners and other hair care 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 refers to a mixture with a range of fatty acid chain lengths, not a single compound.
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.
- 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
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

