We tested over 20 brands and found the best teeth whitening pens to brighten your smile gradually and gently. Lauren Paige Richeson is a writer and editor at Health. She's the author of Avocado ...

$239.94 at Amazon (Save $60.05) 6. Colgate Optic White Overnight Teeth Whitening Pen Colgate Optic White Overnight Teeth Whitening Pen Save 38% on the Colgate Optic White Overnight Teeth Whitening ...

But at-home teeth whiteners can make a real difference against common culprits like staining caused by coffee, tea, red wine, soy sauce, or anything else that can stain a white T-shirt.

Anyone who’s undergone professional teeth whitening treatments knows how expensive and time-consuming the service can be. Professional treatments typically cost over $200 and appointments can ...