The COSRX Ultimate Spot Cream is a potent spot treatment designed to quickly address skin issues such as blemishes and excessive oiliness with key ingredients like calamine, zinc oxide, and aloe vera that soothe and protect the skin while providing focused care through a dual block system that prevents external contamination. It can be applied thinly during the day for a discreet appearance or thickly at night for intensive spot care, featuring a Centella AC-RX formula for enhanced skin calming and protection.