If you are like most people, you have already faced swollen eyes, bags under the eyes and also dark circles under your eyes. That made you look more tired than you were, and sometimes even look older than you actually are.The main causes of the formation of these pockets and shadows under your eyes are various. This may be due to heredity; aging; dry skin; prolonged crying; long hours of work in front of your computer mental or physical stress; lack of sleep; an unhealthy diet, etc.Most often, this is caused by lack of sleep, dehydration or stress. If, after a good night's sleep, they begin to disappear, it is likely that your body was just asking for some rest.It may also be caused by allergies. Allergies can cause shadows under the eyes for many people. Allergies indicate that the body releases histamines, which agitate the blood vessels and cause swelling. Make an appointment with your doctor to check for food allergies and seasonal allergies.These pockets and black circles can appear in men as well as women and at various stages of your life. Women generally use makeup to hide these discomforts, however, men generally do not wear makeup and these bodily defects can quickly become boring and affect your appearance. In a man, the blood vessels under the eyes become more visible with age, because when he gets older, he will lose fat and collagen and skin will thin. Fortunately, there are solutions for this unsightly problem.