best teeth whitening for spas

If you've ever tried to make your teeth whiter, or have just heard about them and wondered at the hype, then you're not alone. It's a common aspiration that ranks right up there with getting a good night's sleep and eating bacon wrapped hot dogs. But while it might be pretty easy to wrap some bacon around a hot dog, making your teeth whiter is another story altogether. It turns out that most people are actually really bad at using spa teeth whitening systems because they don't know what they're doing! Luckily, we have this handy guide all about why…