Improved Pore Essence tightens pores and prevents blackheads and roughness. It is great for forehead, T-zone, nose, chin and any other area with excessive oiliness. The Amur Cork Tree Bark extract controls excessive sebum, and reduces shine and greasiness while the Early Picked Rice Leaf extract helps to tighten enlarged pores. These provide a layer of moisture while covers pores and refine skin tone.