6-in-1 Pore Care : Contract Pores + Controls sebum + Exfoliate + Deep Cleanse + Brighten Tone + Cooling. Jeju volcanic clay is made with the Jeju volcanic mineral from the explosion of Jeju volcano. It’s an alkalescence resource, categorized as a preserved resource, and is effective in removing sebum and other impurities. It exfoliates any dead skin cells and smooth out the skin. Strong absorption of sebum and cooling effect of the clay refreshes the skin and contracts pores. How to use: After cleansing, wipe your face gently with the toner to even out skin texture. Then apply the mask over the entire face, avoiding the eye and lip area. After 10 minutes, gently rinse off with lukewarm water using your fingertips. Suitable for oily skin type.