Absolute moisture nourishment mask which provides the ultimate radiance electricity benefits of the earth's diamond' white truffle'. Negoen Dermalogy White Truffle Hydramadx Knit Mask uses a thick, plush knit material saturated in 60ml of white truffle radiance moisture content essence. The abundantly soaked essence dleivers quick skin absorption for instant skin hydration and nourishment that leaves the skin more radiant and brighter while delivering long-lasting, deep hydration. How to use: 1. After washing your face, locate the mask on your face. 2. After 10 - 20 minutes, remove the mask and dab the excess essence on the face area for absorption.