Cosrx Master Patch Basic 90 pcs is an anti-blemish patch for sensitive areas for oily skin. An essential treatment to address sudden acne in a convenient and effective way. Made from 100% high-quality hydrocolloid, Master Patch Basic 90 pcs adapts to any type of acne and skin. Simply apply it directly on the pimple for una quick and scar-free solution. With a diameter of 12 mm and una round shape, it blends naturally with the skin for comfortable use day and night.