@denverskindoc: Replying to @mellyha4991 before spending money on a dark circle creams you must know the two main causes of under eye circles! Is it vascular or pigment?! Here's how to tell! In my next video I'll explain my favorite products for under eye circles. #undereyecircles #darkcircles #dermatologist #todayilearned #eyecreams #causesofundereyecircles