Biore Witch Hazel Ultra Deep Cleansing Pore Strips For Spot Prone Skin instantly unclogs pores by removing dirt, oil & blackheads. Enriched with Witch Hazel & Tea Tree Oil. Witch hazel has been harnessed in skincare for thousands of years, thanks to its anti-inflammatory and skin healing properties. As a gentle astringent, it is believed to help purify and refresh skin, as well as minimise the appearance of pores. Let’s face it - leaving dirt behind in your pores can clog them even worse and lead to even bigger problems. Ugh! With proprietary Japanese technology, Bioré Ultra Deep Cleansing Pore Strips work like a super-magnet to remove 2x more deep pore clogs* to give you the deepest clean. These Ultra strips lock onto and remove deep-down dirt, oil & blackheads for the deepest clean. Don't be grossed out by what you see on the strip. Unclogged, invigorated pores are a good thing. * vs. Bioré Original Deep Cleansing Pore Strips Dermatologist tested.