Missha- Pure Source Cell Sheet Mask (Acai Berry)1. Cell Sheet for Maximum Comfort Compact woven cells hold active ingredients for effective delivery to the skin 2. Twice Fermented Natural Essential Sources Fermented naturally once and then in a jar a second time, double fermentation allows for pure extraction of the essential source and natural energy Pure Source Double Fermentation Process Ingredient Derived from Nature Healthy, active ingredients are found in nature Natural Fermentation 1st