The COSRX Master Patch Intensive is just like the original acne spot patch, but even better. The Master Patch Intensive perfectly blends into any skin tone for discrete appearance. It is a Comfortable spot treatment to solve your unplanned breakouts. Containing hydrocolloid acne patches that effectively absorb pus from pimples and protect them from further infection due to external bacteria and more. Patch comes in a round and flat shape, and can be worn under makeup How To Use Wash your face thoroughly with cleanser. Stick the Patch onto the dry skin before proceeding with your skin care routine. After 8-10 hours, the Patch would turn white after it absorbed pus and impurities. When it turns white, peel it off gently. Then replace it with a new one.