but still haven't been able to return to the glory days when their teeth were at their whitest. All's not lost, though. There's one product that over 14,000 Amazon shoppers say leads to positive ...

It has aloe vera in it, too, which Dr. Huang says is soothing to teeth. If you want a paint-it-on option that’s a bit easier to manage than Bite’s kit, a whitening pen might be your best bet.