The serum is medicated with Shiseido-developed m-tranexamic acid to treat and prevent excess pigmentation caused by UV rays. New “Natuence” technology uses Shiseido’s skincare science to harness the benefits of natural Japanese ingredients (white silk, rice bran, honey, and Japanese mugwort) to deeply hydrate and plump up dry skin. Double Hyaluronic Acid (sodium hyaluronate and sodium acetylated hyaluronate) further replenishes skin with moisture. The beauty serum has a rich, creamy texture that melts in quickly to leave the skin feeling fresh, supple, and smooth. It targets dark spots and freckles to improve skin clarity and brightness.