Review on Rembrandt Intense Stain Toothpaste: Powerful Mint Formula, 3 Ounce for Whiter Teeth by Kathy Sloan

Visible whitening in two hours and a lot less hassle than whitening strips. I had some sensitivity for a few hours afterwards, but nothing particularly painful. I think it's a small price to pay for quick satisfaction. Also read the instructions! This will help and limit your discomfort and maximize your results. Many other users have posted specific instructions if you have sensitive teeth and gums: use less gel, cover your lips with petroleum jelly, and use Sensodyne toothpaste (Sensodyne is really great), etc. All good tips and I recommend checking them out read. . If you have sensitive teeth and gums, YOU DON'T NEED TO DO EVERYTHING AT ONCE! sorry for yelling caps But people were under the impression that the entire set *should* be used up in two hours. But if you have a sensitive mouth, you can spread the kit over a few days and save yourself the pain, but still achieve a noticeable effect. You won't have the same insta-wow as two hours later, but it will still work.