Well, yes, vinegar can help the black eye. Generally speaking, you should know that apple cider vinegar is quite rich in minerals, vitamins and enzymes. So according to some experts, if you apply vinegar, it will definitely relieve the symptoms because of black eyes. And in common, when blood and other fluids collect in the space around the eye, a black eye can occur. And In some cases, injury can lead to black eyes, and also lead to swelling and dark discoloration around your eyes. For treatments, you can try using ice to reduce the swelling caused by a black eye. In this way, the bruising will start fading in a few days.