What it is: A 3-in-1 serum creates an extraordinary fresh and radiant complexion that looks makeup-free.Who it's for: Ideal for all skin types, especially combination skin types.What it does: The serum restores, strengthens and protects skin. It is formulated with 12 key ingredients plus smart, skin-identical science that's made for all skin types. It strengthens your skin's moisture barrier, leaving skin hydrated, bouncy and calm. It helps soften lines while making pores appear smaller and skin looking lifted. Antioxidants help prevent future damage. It was developed in partnership with Korea's leading skin scientist and powered by a multi-lamellar delivery system. The formula deposits the right actives at the right levels without disrupting skin. Wear it alone to boost skin quality or as the ultimate makeup prep. How to use: Apply onto cleansed skin morning and/or night before your moisturizer. For best experience, tilt the pump at an angle and squeeze a dime-sized amount onto your fingertips. Wear alone to boost skin quality or as an instant makeup prep.