The Voice Issue 7, Summer 2013 | Page 40

Travel Soap Versus Sanitiser Sprays Keeping our hands spotlessly clean is one of the best things we can do to ward off infections and illness, particularly if you’re going abroad this holiday season. But what’s better: hand sanitiser or good oldfashioned soap and water? Let us spray Those handy waterless hand-sanitisers are a first choice for some. They’re compact, convenient, and they don’t require any water. You just spray and wipe. Most hand-sanitisers claim to kill 99.9% of all germs. That sounds pretty impressive. And based on that you’d naturally assume that your hand sanitiser is going to kill 99.9% of the germs on your hands. But wait a minute. These products aren’t actually tested on human hands – they’re tested on inanimate surfaces! Now, the human hand is a very different prospect, and accordingly, some researchers claim that a sanitiser can’t hope to replicate those successes on a permeable, pore filled hand. 40 THE VOICE | Summer 2013 The sanitiser works by washing away a surface layer of oil, which is supposed to prevent bacteria in the body coming to the surface and settling on the hands. Research in their favour has shown that they are an effective way of combatting germs and microbes – and that their effects are longerlasting than soap. Some dermatologists would also argue that as they contain built-in emollients they’re better for your skin. But some research suggests that sanitisers can actually destroy just as much of the good bacteria as the bad, leaving us more vulnerable to the surviving bad bacteria. And others claim that continued use only strengthens the bugs we’re trying to kill, making us even more susceptible. It’s also been shown that the alcohol content in your sanitiser is fairly critical – anything less than 60% will be ineffective. While anything more than 95% probably won’t have a sufficient water base to help tackle daily dried on grime including – look away now if you’re squeamish – dirt,