Unclog pores with magnet-like power on your nose, chin, cheeks, and forehead. How It Works: A special pore-clearing combo pack with two different strips for your face, nose, and chin. Battle blackheads with magnet-like power to pull out deep-down for the deepest clean you can see. Biore Deep Cleansing Pore Strips are twice as effective as the leading pore cleanser at removing pore-clogging build-up that can lead to blackheads. With regular use, they can even help reduce the appearance of pores. Oil-Free. Dermatologist Tested.