Most at-home teeth whitening kits are made with peroxide, which “can partially penetrate the layers of teeth, removing compounds that cause discoloration,” according to dentist Dr. Kami Hoss.

The Burst Teeth Whitening Kit works similarly to Opalescence Go. This kit contains three treatments‘ worth of pre-filled trays with a 12.5% hydrogen peroxide solution.

That's when teeth whitening kits come in. While the desire for a bright smile has been around since the dawn of time, thankfully, whitening techniques have now become easier and more accessible.