How we choose · Our picks · How to choose · FAQs. True to their claim to professional-grade whitening, these white strips from Crest are GH Beauty Lab's gold standard for brightening up the smile. Laboratory evaluations found that after 20 days of daily use, teeth whitened two to four noticeable shades. The strips simply stick to the teeth and can be used during daily activities for added comfort.
My teeth were stained and after using this product, I was surprised that one person thought my teeth were false because they were so white and some asked me what I had done, one reviewer was amazed. This easy-to-use Crest teeth whitening gel with a spatula applicator delivers real whitening effects in a single day, with no rinsing required. He painlessly whitened my sensitive teeth around two shades for one day, the difference is remarkable, dazzled GH Beauty Lab senior chemist Sabina Wizemann. She stayed still, and after a minute or two, I didn't even feel her on.
The Good Housekeeping Institute Beauty Lab rigorously tests all types of teeth whitening products, including toothpastes, strips, pens, and more. Zimba says you'll see whiter teeth in 14 days, and it really takes at least a week to start seeing the difference. Crest 3D White Strips are an affordable on-the-go option that makes teeth look brighter after a 60-minute treatment and up to 18 shades whiter in 20 days. In reality, the most effective way to whiten teeth is in the dentist's office; however, it's expensive and inaccessible to many people.
For example, if your darkened teeth are due to the natural thinning of tooth enamel that comes with aging, whitening kits won't help you. Simply apply the hydrogen peroxide gel solution to the front of the teeth with the included brush, cover it with the nozzle and press GLO. Typically, this formula has a lower concentration (10%) of hydrogen peroxide, making it best for people who have sensitive teeth and cannot tolerate higher levels. Chris Salierno, dental director at Tend, told me in an email that hydrogen peroxide or carbamide peroxide is “more effective in the form of a gel that is held against the teeth (think whitening strips, gel in trays, etc.) The device works under the trademark Guided Light Optics (hence the name GLO), which uses LED lights and warm heat to brighten teeth and undo daily damage.
Zimba white strips also use a mild chemical formula, making them one of the best teeth whitening kits for sensitive teeth. The benefit of using a mouth splint or gel mouth guard is that, unlike white strips, you're not as likely to skip stains on your teeth or irritate your gums. If you have sensitive teeth, you should take some extra precautions before using homemade whitening products.