SOME BY MI Yuja Niacin Brightening Sleeping Mask 60gm is a Korean overnight treatment mask combining yuja fruit extract, niacinamide, and vitamin C derivatives to fade dark spots, even skin tone, and deliver a visibly brighter complexion by morning. Applied as the last step in your evening routine, it works through the night to brighten without disrupting sleep or requiring rinsing. Currently priced at ৳1,900 at koreanshopbd.com. Buy online from koreanshopbd.com, COD available!