I have no experience of removing dark circles by potatoes, but most of my friends always get rid of dark circles with potatoes, and i can promise that it's quiet effective. Potato has a function of improving the functioning of the optic nerve system, nourishing the retina and eyelid. According to the nutritional analysis, potato contains rich dietary fiber, vitamins and minerals. Especially of the vitamin A, which is transferred from carotene full contained by potatoes. It will bring you plenty vitamin A your body need, and will relief your symptom obviously for a short time. The way to eat potato is varied, you can directly cook it or make it into a snack food. In addition, you can slice it into slices and put on your eyes for several minutes. Both are helpful.