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Easy to use and very effective, Crest 3D Whitestrips Professional Effects are your best bet if you want noticeable whiter teeth without paying for professional whitening. They only have to be worn for half an hour a day and you can talk and drink water while wearing them. The full treatment lasts for 20 days.ProsEasy to use, Strips stay well-adhered, Whitens teeth quickly, Short, 30-minute treatment, Noticeable whitening after full treatmentConsCan bother those with sensitive teeth
Your teeth will start looking whiter almost immediately when you use Crest 3D Whitestrips Professional Effects, experts and users both agree. Although the total treatment time is 20 days, many users say they saw noticeably whiter teeth after just two or three days, and a great deal of improvement after the full treatment. Crest has a full line of Whitestrips, and all get good reviews for their effectiveness, but Professional Effects are the most recommended by experts and highly rated by users. These strips contain 10 percent hydrogen peroxide, according to the customer service representative at Proctor & Gamble, Crest's parent company.
Crest 3D Whitestrips Professional Effects, couldn't be easier to use, reviewers say. You should use them in the morning before brushing your teeth (which helps them adhere better, according to the manufacturer). Be sure your hands are dry and peel the strips from their backing; apply the gel strips to the front of your teeth and smooth it along the entire gum line. We saw a few complaints that they don't stick well, in that case, others note, it may help to dry your teeth first. Even those with larger teeth or mouths say that these Crest Whitestrips fit very well, covering their entire smile. You wear them for 30 minutes once a day and discard them after use.
While some report tooth sensitivity from Crest 3D Whitestrips Professional Effects, that doesn't seem to be a problem for most. With its relatively low hydrogen peroxide levels, it should be tolerable for the majority of users. There are also some suggestions for those who do have sensitive teeth, such as brushing with a toothpaste designed for sensitive teeth for a couple of weeks before using the strips. We recommend Sensodyne Pronamel Gentle Whitening Toothpaste (Est. $14 for a pack of three), which we name the best whitening toothpaste for those with sensitive teeth. These tooth whitening strips are also very safe and won't harm your teeth or degrade enamel if used as directed -- in other words, don't wear them longer than 30 minutes and don't do back-to-back treatments of longer than 20 days. All Crest Whitestrips come with a 60-day satisfaction guarantee, and customer service is reported as responsive and helpful.
There's a lot of consensus from reviewers around the effectiveness of Crest 3D Whitestrips in all of its iterations, but the Professional Effects series gets the best reviews overall. At Good Housekeeping, it's the highest-rated teeth whitening product, earning 4.5 stars out of 5 from testers. It's also the highest-rated whitening strip at TotalBeauty.com, where editors make it one of their top picks in teeth whiteners based upon its total overall score from readers of 8.5 out of 10. At Allure.com Crest 3D Whitestrips won a Reader's Choice award in 2014 and a Best of Beauty award in 2015. It's just as popular with users as well, earning an overall rating of 4.2 stars out of 5 at Amazon.com in more than 4,115 customer reviews; 4.5 stars out of 5 in nearly 830 reviews at Walmart.com; and an even more impressive 4.6 stars out of 5 from around 740 reviewers at Walgreens.com.