If I use it morning and night before brushing for 60 seconds, is that safe? I only want to do it if it's safe and healthy for my teeth. When will I see results? I want noticably whiter teeth by March 19, which is just over ten weeks away. Will I see noticably whiter teeth by then? THANKS!
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it's safe, In any case, it is used of hydrogen peroxide. The whitening ingredient used by most dentists. And, studies have shown no harmful effects on tooth enamel when used as directed. the site give me a lot of help, u can visit http://www.teethwhiteningbest.com/teeth-…
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