since i was a little girl i have had pretty dark circles. I believe it is one of my insecurities. anyhow, they seem somedays to not be so dark but others they can look quite dark i get 8 to 10 hrs of sleep a night. Leta just say 2nite when i walked into work my manger shouter wow what happened 2 ur eye, who hit u. of course tonight was the first time i had went with no makeup. what exactly are dark circles caused from is there a way to help other than concealer or etc. I always heard lack of iron? i also dont drink lots of milk so maybe calcium deffiency? any advice or expertise? maybe ideas of good coverage, makeup..etc??