My first impression of the sheet mask was that it was very thin. It does claim on the back of the packaging that it’s an “air mask” and it truly is just that. Personally, I prefer thinner sheet masks like this one because it adheres better to my face. Like most affordable Korean sheet masks, it has just enough leftover essence for your neck and hands. It has a very pleasant cooling effect on the skin and after having it on for 40 minutes, my skin feels fresh and moisturized. The special ingredient is the blueberry extract, which improves skin elasticity and brightens dull/tired skin. I do see slight brightening,…