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It goes way beyond not getting enough sleep.
When you spot those pesky dark circles
 under your eyes, is your lack of sleep the first thing you blame? While
 getting a decent amount of shut eye is incredibly important, being 
tired isn't the only reason your skin appears red, purple, and even a 
little blue. These are seven other things that could be keeping the area
 under your eyes from looking their best and brightest.
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1. Your parents passed on bad genes.
That's
 right — your parents could be to blame for your dark circles. "There 
are hereditary conditions that run in families that can lead to darkness
 under the eyes," explains New York City dermatologist Dr. Bruce Katz,
 Director of the Juva Skin & Laser Center in New York. "This is very
 common in people with Mediterranean backgrounds." The good news: if 
it's pigmentation, there are specific lasers dermatologists can use that
 can help you get rid of it.
2. Eczema could be leading you to rub.
While
 the eczema itself may not lead to the dark circles, the constant 
rubbing and itching most certainly can. "Excessive rubbing can lead to 
increased swelling, inflammation, and broken blood vessels in the eye 
area, which can give the skin a dark, almost bruised appearance," says 
dermatologist Dr. David E. Bank, Director at The Center for Dermatology, Cosmetic & Laser Surgery in Mt. Kisco, NY.
3. Allergies can make you itchy.
Skin
 conditions like eczema aren't the only health concern that can cause 
your under eye woes. "Allergies often trigger histamines in the body 
which cause blood vessels to dilate," explains Dr. Bank. "Since the skin
 on our eyelid and under eye area is some of the thinnest in the body, 
it may cause those swollen blood vessels to appear darker than the rest 
of the face." Long story short: Take care of those allergies ASAP, then 
your derm can treat the pigmentation.
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4. Your makeup could be irritating you.
It seems counterintuitive — makeup is supposed to cover up those dark circles,
 right? But if you're using a product, whether it's a mascara, 
eyeshadow, or even concealer, that bugs your skin, it could be leading 
to worsened circles. "Some people develop allergic reactions to makeup, 
and they get circles from the irritation, rubbing, and scratching," 
warns Dr. Katz. If you notice your eyes are looking a little rough after
 using that trendy new eyeliner, perhaps steer clear.
5. Your bone structure could be to blame.
Surprisingly,
 your circles could have nothing to do with your actual skin — it could 
simply be the way your face is shaped. "When people have deep tear 
troughs under their eyes, the shadowing and indentation can cause the appearance of darkness,
 but it's not actually from pigment or veins," says Dr. Katz. If this is
 your personal dilemma, Dr. Katz says fillers from a certified pro can 
even out the eye area.
6. Veins can give you a blue tint.
If
 your eye areas look particularly blue, it could simply be your blood 
vessels. "Blue veins under your eyes look dark, too, so it makes the 
eyelids and under eyes appear to have dark circles, but really it's just
 the veins under the skin," explains Dr. Katz. Try using one of these concealers to cover 'em up.
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7. You're not protecting your skin from the sun.
You
 may think heading outside could brighten up your skin, but not if you 
let your delicate under eye area get too exposed. "Eyelid skin is the 
thinnest in the body, so sun damage shows up quickly in this area in the
 form of dilating and increased blood flow," says Dr. Bank. "As a 
result, you can see a dark glow or color through the transparency of the
 skin." Just another reason to wear SPF!
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