The skin below our eyes is very thin and is sparsely dotted with oil glands unlike the skin on rest of the body. Due to various reasons the skin under the eyes becomes thin and dry. Veins below eyes appear prominently when the under eye skin becomes dry and thin. This lends the area a dark appearance. Dark circles under eyes usually are temporary and not a medical concern. You may be surprised to learn that fatigue usually isn’t the cause of dark circles.

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