Bite’s whitening gel cuts out the need for the tray, as you can brush the gel directly on to your teeth. Compared to the Opalescence Go Kit, this one is a little messier and labor-intensive to use.

We rounded up the best teeth whitener options on the market, including whitening toothpaste, gel ... prefilled Opalescence teeth whitening trays are easy to take on the go. They contain 15% hydrogen ...

Dr. Joyce trusts Opalescence teeth whitening in her practice and Opalescence Go prefilled trays are an at-home option she finds successful for many of her patients. The trays are designed for ...