The ultimate skin elixir -- this serum brightens, hydrates, and helps tone aging skin. Brightens the appearance of skin tone with a concentrated dose of fruit, herb and plant-cell extracts. A dynamic blend of Kakadu plum and apple helps revive dull skin. Resveratrol-rich knotweed, plant-cell extracts and copper combine to help keep skin moist, plump and supple for an overall even-toned, luminous glow.