What it does Bioré® Deep Cleansing Pore Strips work like a magnet, instantly locking onto and lifting out deep-down dirt, oil and blackheads, so you get the deepest clean. It may be disgusting… but it’s also oddly satisfying. And, in just 10 minutes it cleans weeks’ worth of dirt buildup. When used weekly, you will have fewer clogged pores and the appearance of pores will actually diminish.