Dark eye circles, a rather common concern that many people are facing; those have this concern appear to be tired and old.
Causes of dark circles under eyes can be grouped into two different categories: (1) vein related, and (2) pigmentation after inflammation.
Vein related cause:
There is poor blood circulation at orbital veins and because of insufficient oxygen carried in . . . → Read More: Causes of dark circles under eyes and how to get rid of dark circles