The nano-gold particles added into the transparent Crystal Eye Mask enables the latter of a great cell activating capacity. This is because that the nano-gold particles are only 1/2000 as large as pores, very easy to penetrate into the dermis. It can carry collagen deep into the skin to activate skin cells, promote toxin and dirt metabolisms, diminish black eye, eye pouches and oil granule At the same time, the gold particles can enhance the compactness of the fibrous tissue of collagen to turn the skin compact and elastic and reduce the fine lines and crow's-feet around the eyes.