Whenitappearsundertheeyehead,itisusuallycausedbytheagingoftheeyeskin.Peoplewithextremelysensitiveeyesandthehabitofrubbingeyesarealsopronetothisproblem.Tosumup,itisagingandrelaxation,resultinginadullphenomenonofskinstacking.Avoidusingdryconcealertocoverup,otherwiseitwillproduceseriouscardpowder.Itisre