Reduce dark circles and puffiness around the eyes Dark circles and puffiness around the eyes can be caused by mild skin irritation, fatigue, stress, certain medications, aging or by weakened blood vessel walls. If the blood vessel walls are weak, some red blood cell leakage can occur. This is what causes dark circles under our eyes. Depiwhite Eye Contour Gel is designed to lighten dark circles and reduce puffiness under the eyes, resulting in a refreshed appearance due to its active ingredients: