Lack of rest, eating salty foods and other lifestyle factors may be causing dark circles and puffiness under your eyes. Fortunately, under-eye masks and patches can help. Like eye creams , they can tackle common concerns, including fine lines, inflammation and puffiness, with ingredients like vitamin C and hyaluronic acid . To help you find the right under-eye masks for you, I spoke to dermatologists and gathered their recommendations for the best ones to shop across every under-eye concern.