Damp spots or weird marks usually mean the paper has been touched by wet hands or splashed, which isn’t However, the key point here is that most bacteria and viruses are completely invisible to the naked eye. This makes a sheet of toilet paper look “acceptable” but in reality, serve as a great landing strip for microorganisms. In other words, once a sheet of toilet paper comes into contact with bacteria or viruses, the latter become transferred from the former onto the surface of a person’s body through direct contact.
Public restroom warning: avoid using toilet paper that has any suspicious marks or stains
