PURE ACTIVE CARBON anti-black dot strips from Garnier. Charcoal pore cleaning strips, which remove blackheads and impurities for visibly purified pores. They are suitable for the forehead, nose and chin. To apply wet the forehead, nose and chin area, apply the strip over the desired area, allow to dry for 10 to 15 minutes until it hardens and slowly and carefully remove from the ends to the center. Apply twice a week.