The darkness under the eyes is mostly due to leaking blood capillaries or damage due to sun. So, one should use products the reduce
damage caused by the sun under the eyes. A pair of sunglasses would get the job done.For the leaking capillaries, one should massage the skin under the eyes and help the body build more collagen. It is a protein which forms the basic matrix of the skin and if the body is low on collagen then skin may sag. So, eat foods that are rich in protein. Over that, eat foods which are rich in Vitamin C because it helps the body in synthesis of collagen. If you are suffering from
puffy eyes first try to cure it .
Avoid stress because it has negative effects on the skin. Eat healthy and take care.