Collagen crystal mask Collagen crystal mask is made from collagen and hsl macromolecule material. Utilizing international newest cosmetology result, it has become one of the top grade products in current facial mask industry. The mask has those characters such as breathing freely, moist; locking water and storing nutrition and it has good biocompatibility with humanf+s skin. The maskf+s special frame involucra structure can store more effective nutrient than similar competitive grade. When be used, the mask brings out inner pressure and tension which drive those effective nutrients rapidly infiltrate through 0.3mm deep of skinf+s basal layer. This process we call it as osmosis. Now the nutrients begin to work, they quickly enhance skin cellf+s activity, supply water to face, nourish and repair face. Only 40 minutes later, the face becomes obviously shining, smooth as water, white and tight. Facial mask 26.5*22.5 cm 20g per pcs; 100pcs per carton; Eye mask 10*7.5 cm 3g per pair;1600pair per carton