OK that is the worst and no girls would want that Dark circles under the eyese are most often ceasud by allergies, illness, a lack of sleep, or heredity. If you dnt want to spend any money try sleeping or put spoons in the freezer until cold then put on you eyes for about 5-10 minutes each dayyou can also try applying cucumber slices, damp caffeinated tea bags, or an ice cube wrapped in a soft washcloth to your eyes for 10-15 minutes each day.You can use a concealer for a quick fix: Using yellow will neutralize the blues, purples, and husky hues on the skin. This does not remove the problem, but can build your confidence for the day, by taking away the tired look'.The most common mistake women make when applying concealer is choosing a color that's too light this only achieves a reverse raccoon effect. Another common problem: putting the concealer only under the eye. You should apply it all around the eye area, and be sure to blend well. Set the concealer with a light dusting of translucent face powder so that it stays put. And to avoid drawing attention to your under eye area, don't apply eyeliner or mascara to your lower lashes.Often, the inner corner of the eye is the darkest part. A white shimmer pencil will cover it. Some companies manufacture a blueish or white pencil just for this purpose.you can try to 1. Get enough sleep. Try to go to bed a little earlier than normal.2. Cucumber slices have a soothing effect on the eyes.3. Use sunscreen every day and moisturize in the night preferably using a good under eye cream.4. Drink plenty of water to hydrate the skin.5. Apply cold compresses.6. Eat fresh fruits and vegetables. Iron deficiency can be a cause for dark circles around the eyes. Using concealer to hide the Dark under eye circles