Brand from South Korea: Dr. Jart+. Dr. Jart+ Dermask Ultra Jet Porecting Solution is an intensive pore care mask that eliminates pore-clogging impurities and tightens enlarged pores for a clearer skin. Charcoal sheet mask for pore care. Infused with charcoal to absorb pore waste, avocado for pore care, eucalyptus extract to soothe skin, and Rhus Semialata Gall extract to improve pore elasticity. How to use: 1. After washing your face, prep your skin with skin toner. 2. Take out the sheet mask and remove the film. 3. Place it onto your face. 4. Leave it for 10-20 minutes until it bubbles up itself. 5. Remove the mask and gently pat to let the skin absorb the remaining essence.