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.

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 ...

These prefilled Opalescence teeth whitening trays are easy to take on the go. They contain 15% hydrogen peroxide with a minty flavor, and each pack comes with 10 treatments.