Three cases are reported of individuals allergic to cocamide DEA, also known as coconut diethanolamide. In two cases, multiple other cutaneous allergies were present. In both instances, cocamide DEA was present in several personal care products used by the patients. In the third case, occupational exposure was suspected. Cocamide DEA is an unusual allergen that may cause contact dermatitis in individuals who often have multiple other skin allergies.