Washing your hands may seem like a simple thing, but not everybody remembers to do it.

Amid the Coronavirus pandemic, we have to learn how to wash our hands properly. This isn’t only for this risky period, but also for general hygiene even after this virus is long gone.

Let's first remember that washing your hands should last from 30 to 60 seconds.

Seven On Your Side Investigates used a black light to see firsthand how washing your hands can make a big difference in whether they're clean or not.