COSRX Acne Pimple Master Patch is an intensive acne-healing solution made with uniquely developed hydrocolloid material. This material effectively extracts impurities, creates a moist environment for faster healing, and acts as a barrier against bacteria to prevent secondary infection. The patch adheres strongly to the skin, performing its magic overnight and throughout the day. It comes in a resealable pouch and sterilized double packaging for easy, hygienic use. The patches absorb and extract gunk, promoting faster healing and preventing scarring. Perfect for tackling acne spots quickly and efficiently.