Lack of sleep
Excessive crying
To much sodium or salt intake
Emotional or physical stress
Build-up of toxins and wastes in the body
Post operation or surgical recovery
Heredity or genetic predisposition
Allergic reaction or symptom of dermatitis
Over consumption of alcoholic beverages
Irritation from contact lenses
Body fluid fluctuations due to hormones or changes in the weather or temperature
Sinus problems
