As we age, fat comes out of the space enclosed by the eye socket, called the orbit, and forms a puffy area under the eye. This fatty tissue can fill with water. read more
Dark circles under the eye occur for several reasons: The skin there is much thinner than skin elsewhere on the body and becomes looser under the eyes as we age. This very thin skin also sits on top of underlying purple muscle and blood vessels and thus appears darker. In addition, some people have hereditary pigmentation in this area. read more
One of the biggest causes of under-eye bags is heredity, and there's not much you can do about it. You have bags under your eyes because your parents have bags under their eyes. Under-eye bags are also a natural part of getting older. read more