- The essence for pore care- Clean pore controllerThe second step of skin care for controlling oily skinPore Control Powder Serum controls sebum, and provides moisture closely to the wide and loosed pores of skin with the clean and light texture. It makes the skin texture moist, and can be used to oily or troubled skin. First, it removes the old keratin on the pores and the skin surface to elaborate a smooth skin, and then it removes sebum and the waste matters without skin stimulation so that you can feel the excellent cleansing effect. After that, by the cooling texture it refreshes your skin and gives an instant shrinking effect. Finally, it forms a sebum controlling film and improves elasticity by Psidium Guajava Fruit Extract. This refreshing and moisturizing essence supplies moisture to oily skin which is in short of moisture and prevents the greasiness of skin caused by sebum.