Dumanian is the reason behind the popular glimmering smiles of celebs like Busy Philipps and Ashley Park, so you know she'll only suggest the best of the best.

With the first box, I noticed a slight difference in three applications but by the 10th application, my teeth were four to five shades whiter. Swallowing was also awkward because the solution can produce excess saliva, but you aren’t supposed to swallow the solution.

For these reasons, we chose the SmileDirectClub Teeth Whitening Kit—which whitened our tester's smile by 10 shades after just one week of use—as our best overall pick was the easy-to-use LED accelerator light. THE REVIEWS: "I have been using the Supersmile whitening kit for 3 weeks now and I can tell a major difference,"wrote one reviewer. Inasmuch as the Lanthome Teeth Whitening looks legit, the main concern of this review is to ascertain if the product lives up to its name, and this review would expose all that is needed to know about this product.

Teeth whitening trays are similar to whitening strips — they adhere to teeth and whiten using hydrogen peroxide while you wear them. VVARDIS's whitening serum kit which comes with a brush offers fluoride, bleach, and peroxide-free healthy whitening from the first application. Apply the whitening product in short, vertical strokes, working from the top of the tooth to the bottom. Make sure to leave your mouth open with your lips away from the treated teeth during this time, and try to avoid swallowing any of the product. Yes, it is safe as long as you use a reputable product, according to Kendra Zappia, DDS, dentist and member of the New York State Dental Association.Note: We're continuing to long-term test the top-performing kits from our tests—and any new offerings that become available—to see how they perform over time to keep this article up to date. Keep it handy in your purse or in the glove compartment of your car so you can grab it whenever you need it. More importantly, we didn’t feel any discomfort or sensitivity during whitening or after wearing these strips, and they worked quickly, too. Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. The Lanthome Teeth Whitening is a teeth whitening essesnce that is formulated to erase stains and whiten teeth.