Many of these medications are also antiseptic and can prevent infection. The good news is that tongue injuries tend to heal quickly. Genetics is the most common culprit of those dark circles, and, unfortunately, the circles are tough to overcome. The skin directly under the eyes is probably the thinnest skin you can find on your body, and not so surprisingly, very delicate. Try not to rub your eyes excessively as this can make the dark circles worse.
Dehydration can also make the circles more obvious.
If you normally don t drink much water, try consuming a few more glasses each day. If you have any allergies, the circles may get worse when they flare up. So make sure that you keep your allergies under control.