WHAT IT IS Rapidly diminish the signs of time with our breakthrough MolecuShift Technology, which first shrinks and then enlarges Hyaluronic Acid molecules to volumize the skin from within. Visibly plump and firm skin in two steps: Step 1: Evening: Infill Serum delivers shrunken Hyaluronic Acid molecules to be more effectively absorbed into the skin. Step 2: Morning: Full Expansion Serum expands Hyaluronic Acid molecules back to their original size leaving skin even more hydrated, plump, and firm. Made in Japan. TWO-PIECE SET INCLUDES Bio-Performance Infill Serum Refill, 1 oz. Bio-Performance Full Expansion Serum Refill, 1 oz. WHAT IT DOES Shrunken Bio-Hyaluronic Acid: Created through MolecuShift Technology, the world's first technology to successfully shrink the size of Hyaluronic Acid molecules and revert them back to their original size, without changing their structure. This allows the Hyaluronic Acid molecules to penetrate more easily without decreasing any of its advantages to plump and firm skin. Red Clover Extract: Known to improve skin barrier function. Chai Hu Extract: Known to promote Collagen and Hyaluronic Acid production for firming benefits. Cinnamon Extract: Helps optimize skin's natural purification process. HOW TO USE IT Apply before moisturizer. When using with other serums, apply Bio-Performance Skin Filler Serums as the last serum before moisturizer. In the evening, pump Infill Serum once onto fingertips and smooth evenly over face and neck. In the morning, pump Full Expansion Serum once onto fingertips and smooth evenly over face and neck. For Refills: Save the pumps and caps from the original bottles. Insert the pump into the refill, then close cap. Cosmetics - Shiseido > Shiseido > Saks Fifth Avenue > Barneys. Shiseido.