This Jeju volcanic scoria clay mask intensively absorbs sebum and clarifies skin pores. About Jeju Volcanic Scoria: This pure and rare ingredient, formulated from solidified lava caused by volcanic eruptions in Jeju island, absorbs impurities and sebum that are deeply embedded within skin pores. Containing Jeju Volcanic extracts 5000mg wash-off type mask, Bestseller in South Korea, Best for sensitive skin types. Net Weight: 100 ml * How to use * After cleansing and refining skin with toner, gently smooth over entire face, avoiding the eyes and lip area. Rinse off with lukewarm water after 15 minutes. Use 1~2 times a week.