Nothing really: A mouthwash will not clean or whiten your teeth. You must brush and floss your teeth on a daily basis to give them a chance to be brighter. If you wish to whiten them...Try the crest strips or other products or...You can get them whitened (lightened) by a dentist. It does take work to keep your smile up.
Answered 9/17/2012
5.6k views
Hydrogen peroxide : The best mouthwash in my opinion is diluted 50/50 otc hydrogen peroxide ( sold as 3%) helps with whitening, bad breath and may reduce gingivitis.
Answered 12/9/2013
5.6k views
None.: Mouthwashes aren't really effective for accomplishing either.
Answered 5/7/2013
5.1k views
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