Re:Teeth Whitening and the Hygiene Hypothesis
by MrBra on Sunday August 02, 2015 @10:45AM
(#9990885)
Are you talking about those that last just a couple of hours or different ones?
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Re:Teeth Whitening and the Hygiene Hypothesis
by o_____________o on Sunday August 02, 2015 @11:15AM
(#9990993)
What treatment lasts a couple hours?
You can get very effective peroxide gel kits on EBay for under $20 USD that whiten for many months.