National Post

Wash those hands ... and your phone, too

Devices 18 times dirtier than public restroom

- Valerie Dittrich

Health Canada and the Centre for Disease Control say the best way to prevent contractin­g the notorious COVID-19 is to wash your hands for 20 seconds.

But what about your cellphone? Because phones get so dirty, they’re as important to keep clean as your hands. But you can’t lather, rinse, repeat your phone with soap and water — so that’s where alternativ­e cleaning methods come into play, such as UV lights that disinfect your device.

A new study conducted by Phonesoap, a company that sells UV sanitizing devices for your phones, has found that the surface of the average device is 18 times dirtier than a public restroom. In an interview with Mashable, co- founder Dan Barnes says Phonesoap calls phones “the third hand you never wash.”

“Unless you treat your phone the same way as your hands, it’s hard to keep all three clean,” Barnes said.

“A petri dish in your pocket,” is what the Phonesoap website calls your device. “Warm places like pockets and purses are breeding grounds for bacteria.”

If you’re on the hunt for something to keep your “third hand” clean, however, you should remember that not all non- water disinfecta­nts do the job as well as others. So be careful what you shop for.

According to a study by MIT, both UV lights and antibacter­ial wipes are effective ways of sanitizing a phone, but not all UV sanitation devices clean the phones in the same way, and nor do they reduce similar amounts of device bacteria.

Yet because of the hysteria around the worldwide spread of coronaviru­s, Crunchbase News reported that UV sanitizing companies across the board are seeing a dramatic uptick in sales. Phonesoap saw an 1,000 per cent growth year over year in the past week and Toronto-based startup Cleanslate UV has roughly $2 million in funding.

“Specifical­ly, mobile device hygiene was a major and fast- growing concern even before coronaviru­s came on the scene,” Taylor Mann, CEO of Cleanslate UV, said in an interview with Crunchbase.

Out of all the different categoriza­tions of ultraviole­t light — A, B and C — only C has enough power to kill germs. The light has a range of effectiven­ess and most UVC cleaning devices have different light modes for how strong or weak it can be. The light works the best on smooth surfaces and only penetrates superficia­lly; if a germ is stuck underneath a button or in a phone case, the light can’t get it.

The devices come in a range of styles, but usually come in a case . But remember that the UV light doesn’t protect your phone from germs after it comes out of the case, so your phone is only as safe as its last encounter.

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