Master Patch Original Fit is the secret weapon against unsightly pimples, blemishes, milia, and blackheads! These small patches were developed for the intensive treatment of severe blemishes and inflamed pimples (open pimples) on the face. The patches repair damaged skin and help prevent further infections by sealing the pimple opening. The Master Patch Original Fit feel similar to The patches can also be applied during the day under makeup, but they are most effective when used overnight. Cosrx Master Patch Original Fit are also well-suited for treating cystic acne, as they seal the cyst airtight and draw impurities out of the skin. These patches also work exceptionally well on very painful pimples, as they draw out the contents of the pimple without having to squeeze it. Pimples should never be squeezed, as this can lead to scarring. These patches are similar to hydrogel sheet masks. They are easy to apply and last all day or all night. The package contains 24 patches of various sizes. They quickly combat blemishes and promote skin healing.