So, how long should i keep whitening strips on my teeth?
If you're standing in front of the bathroom mirror with a slippery piece of plastic in your hand, you're probably wondering exactly how long should i keep whitening strips on my teeth to get that Hollywood glow without ruining your enamel. It's a common dilemma because we all want faster results, but nobody wants that sharp, shooting pain known as "the zingers" that comes from overdoing it. ...