Teeth-whitening treatments are relatively new to ... tray every now and then by using just the Opalescence syringe-gel refills: “Put a little stream of whitening gel into the retainer and ...

With all of the great teeth whitening products out there, you don't have to shell out for professional whitening unless you want to. If you want to DIY a brighter smile, we've discovered the best ...

an on-the-go whitening pen and a whitening gel refill pack. But it’s the teeth whitening kit that remains the bestseller. “Super happy with how effective this has been,” one shopper said. “So ...