When I was eight years old I fell off my bike and grazed both of my knees ,I'm telling you this now as we didn't have the internet or social media then.
Our friend is a primary school teacher and she swears by the amazing healing properties of a wet paper towel
It’s well known that just blowing on something you’ve dropped on the kitchen floor will instantly kill any bacteria on it. Surprised they didn’t suggest that during Covid, tbh.