Kimberly Clark - recent swab study found that an average of over 4,000 bacteria colony forming units per square centimeter can live on paper towel dispensers in public restrooms. The same study also found that an average of 14,000 bacteria colony forming units per square centimeter can live on toilet paper dispensers. Kimberly-Clark Professional* is now protecting their paper towel, toilet paper and soap dispensers with Microban® antimicrobial protection.