Dark circles under the eyes are usually caused by being tired. Sometimes, what appear to be dark circles under your eyes may merely be shadows cast by puffy eyelids or hollows under your eyes that develop as a normal part of aging. Dark circles under the eyes usually aren’t a medical problem. Apply a cold compress.A cold compress can help reduce swelling and shrink dilated blood vessels. Get extra sleep. Catching up on sleep can also help reduce the appearance of dark circles. Elevate your head. Soak with tea bags.Conceal with makeup. Use a cold compress • Clear out your sinuses with a neti pot • Stay hydrated , Vitamin supplements are often needed and I would recommend Vitamin B & C which help it to repair . In fact, cucumbers also have skin-lightening and mild astringent properties, so you can use cucumber slices to fix raccoon eyes naturally. However, the best treatments for dark, under-eye circles is doing chemical peels for several weeks to lighten the skin and botox can be helpful for smoothing out excess crinkling of the skin, according to cosmetologists.