Koji White Dark Spot Brightening Serum with X8 Pure Hyaluronic Acid From Korean, Kojic Acid & Niacinamide. With niacinamide and kojic acid, our face moisturizer is formulated to reduce dark spots and promote radiant skin, making it ideal for those seeking targeted skincare solutions. Our dark spot corrector liquid solution caters to all skin types. Aside from helping address dark spots, this skin serum also contains ingredients for locking in skin moisture.