Remove blackheads and actually shrink the size of pores with Bior� Blackhead Eliminating Deep Cleansing Pore Strip. From a dermatologist tested brand, these deep cleansing nose strips instantly target blackheads and unclog pores for healthy-looking skin. Convenient and easy to use, these Pore Strips can be used once per week for the deepest clean. Unlike other wannabe �pore strips�, ONLY Bior� Deep Cleansing Pore Strips use patented C-Bond technology to bind to blackheads and impurities�NOT to skin. These strips work like a magnet to safely and effectively remove dirt, oil, and even stubborn blackheads. Trusted, dermatologist-tested, oil-free, vegan, cruelty free.