What it is: Experience the rejuvenating effects of No.6 Deep Sleep Mask Serum, which provides fast moisturization and hydration similar to a sheet mask. Users have found it to be a superior alternative to daily sheet masks, praising its convenience and effectiveness. Many have noticed quick improvements in calming irritation and reducing redness. Trust in this serum for ultimate hydration and ease of use, making it a favorite among skincare enthusiasts for its quick results and soothing benefits. Product Size: 50ml / 1.69fl oz Product From: Korea