Microfiber cell phone cleaning cloths are the safest, easiest, and only way to clean your phone. The reason screen cleaners for cell phones that are made of microfiber cloths are so great is because they require no chemicals. Moisture and cellphones are a bad combination because moisture droplets can seep into the phone get behind the screen. Using a cleaning product that is dry but that can also clean efficiently is why phone screen cleaning cloths made of microfiber are the best for the job. Microfiber also isn't a rough fabric that can scratch up your phone screen if applied with too much pressure. It is gentle enough for phones because it is made up of thousands upon thousands pf positive and negatively charged tiny pieces of nylon and polyester that trap and lift away any dirt, oil, moisture and bacteria. This is what gives microfiber the ability to keep delicate surfaces clean with minimum effort. Today's phones are using more touch technology then ever so its important to keep your screen clean from smudges.