The best screen cleaners are available for all types of devices, with the average high schooler's phone having a bacterial count of over 17,000, according to a 2017 study. The study also revealed that many bacteria were potentially harmful. The article recommends large, travel-friendly screen cleaners and hypoallergenic screen cleaners for those sensitive to chemicals. These products come in large bottles and will last for months at home, while smaller ones are recommended for travel. Whoosh! is a non-toxic screen cleaner approved for use by Apple and is available in a trio of bottle sizes. Zeiss' Optical and display products also include high-quality gel spray and travel wipes. The product is alcohol-free, odorless, and phosphate-free and completely odorless.