To round up the best teeth whitening kits, we asked oral care experts for their input and tested several top options ...

These kits come packed with strong whitening agents, usually featuring hydrogen peroxide or carbamide peroxide. If that doesn't sound like something you're interested in, there are also gentler ...

According to the American Dental Association (ADA) and the nine dentists we spoke to, either hydrogen peroxide or carbamide peroxide is what you should look for in whitening products.