The Cosrx Master Patch Original Fit Blemish Cover is a set of 24 hydrocolloid patches in sizes S, M, and L. Designed to protect and heal acne, these patches absorb impurities and reduce redness while providing a protective barrier against bacteria. They are ultra-thin, blend seamlessly with skin, and can be worn under makeup, making them ideal for day or night use to promote faster healing of blemishes.