stress lack of sleep and facial edema (swelling) can contribute to dark circles. obviously the first thing to do is get more rest. you should sleep at least 8 hours per night followed by limiting your salt intake in your diet. next consider implementing measures in your daily routine that will encourage the blood vessels around your eyes to constrict or shrink. apply a cool compress to your eyes and use compounds that contain topical caffeine such as green tea bags. these measures will help tighten those leaky vessels.
what are the main causes for dark circles under the eyes?