Diethanolamide
{{Short description|Class of chemical compounds}}
Diethanolamides are common ingredients used in cosmetics to act as a foaming agents or as emulsifiers.{{cite conference | title = Foam stabilization by alkylolamides: effect of molecular weight | last1 = Kritchevsky |first1=J. |last2= Sanders |first2=H. L. | book-title = Primer congrès mondial de la détergence et des produits tensio-actifs | location = Paris | year = 1954 | volume = 1 | pages = 133–136}} Chemically, they are amides formed from diethanolamine and carboxylic acids, typically fatty acids.
Examples include: