24K gold foil Collagen crystal eye best daily care product for eye, make your eye more attractive Natural collagen add in active useful ingredient improve the product effect After cleaning face, apply the eye under the eye, 1PCS per day in frist week, after first week 3-4 times per week is ok, can making your eye around skin everlasting young. Keep the eye flat in normal temperature, avoid store in stand shape. avoid keep the product in ices boxe(under 0 degree) also avoid store over temperature 50 degrees. one time use skin daily care product , not recommend reuse. On shelf time: 24 months