Under eye dark circle
Pigmentation under the eyes is associated with dermal deposition of melanin. Dermal melanin deposition is often caused by various exogenous and endogenous factors. The causative factors include genetic or heredity, post inflammatory hyperpigmentation, secondary to atopic and allergic contact dermatitis, periorbital edema, excessive vascularity, shadowing due to skin laxity, aging, lack of sleep and sun exposure