Description  Biore deep cleansing pore strips are a weekly pore refining treatment for the nose area that instantly removes pore-clogging dirt, oil and blackheads. Tests show that in just one use, Biore deep cleansing pore strips are twice as effective as the leading pore cleanser at getting rid of build-up and blackheads for cleaner pores. In fact, when used regularly. Biore deep cleansing pore strips actually diminish the appearance of your pores. Biore nose strips have an innovative slit design for improved fit. Do not use more often than once every three days.