Why do people who lack sleep have dark circles/depressed skin under their eyes?

I think it’s important to really understand the causes of you dark circles before trying to treat the dark circles. My friend has serious dark circles and her dark circles are improving by following the information provided by http://www.darkcirclesundereyescure.com .Just pop over to have a look if it suits you!

Have included two websites here to help you read about dark circles under the eyes...both list possible causes and suggest various treatments. Black or dark circles under or around the eyes can be caused by many different factors. Most people inherit the tendency for dark circles. ... http://www.naturaleyecare.com/pub-darkeyes.asp "Contrary to what you may have heard, fatigue usually doesn't play a role in dark under-eye circles, according to Mayo Clinic dermatologist Lawrence Gibson, M.D. Lack of sleep is not a common cause either, although not sleeping can make dark circles appear worse because of swelling around the eyes. What does cause dark circles under the eyes? Here's a list of the most common causes." http://www.sixwise.com/newsletters/06/10/25/what_causes_dark_circles_under_the_eyes_how_can_you_prevent_them.htm

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Use concealer to cover it up. Also, Preparation H will help make the appearance of the circles go down.