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Consumer Reviews

The best Crest Whitestrips

Everyone has something about themselves they wish they could improve. For those with “smile” at the top of the list, Crest Whitestrips are among the simplest, most affordable means of improvement. Best of all, they don’t require a trip to the dentist.

The best Crest Whitestrips are the Crest Professional Effects No-Slip 3D Whitestrips. Treatment can remove up to 14 years of stains, and Crest's No-Slip adhesive keeps the strips firmly in place until it's time to remove them.

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What to know before you buy Crest Whitestrips

Number of treatments

Every box of Crest Whitestrips includes a different number of treatments depending on how powerful the effect is and how long it’s supposed to last. Some boxes contain 10 or fewer treatments, others can have 20 or more.

Crucially, a round of treatment requires two strips; one each for your upper and lower teeth. Crest Whitestrips boxes list both the number of strips and treatments it contains. Always double-check the box to make sure you aren’t buying more or less than you think.

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Extra products

Crest Whitestrips may include a few possible extra Crest products.

  • Express strips are a common inclusion, though rarely enough for more than a treatment or two. These strips need to be applied for a full hour and wear off quickly, so they're chiefly used to jumpstart treatments or for an emergency special event.
  • A whitening light is another common inclusion. It uses a special blue light that passes through tooth enamel to weaken stains, improving whitening performance.
  • Whitening toothpaste is less common, though beneficial for helping your treatment last as long as possible.
  • Other products included can be toothbrushes, both manual and electric, gum treatments and additional whitening products such as gels and emulsions.

Crest Whitestrips features 

Time till effect

No one likes when results take time to make themselves known. If they take too long to appear, you may find yourself without the will to continue treatment. As such, the best Crest Whitestrips have at least a mildly noticeable effect in as little as three days. Boxes typically give an estimate as to when effects are likely to be first noticeable, but user reviews tend to be more accurate.

There are also express Crest Whitestrips with effects noticeable in only one treatment. However, they rarely last longer than a few days in return.

Effect length

Applying Crest Whitestrips isn’t particularly burdensome, but it is time-consuming and can be costly. As such, the best strips have effects that last as long as possible so you don’t need to keep buying boxes.

The longest-lasting Crest Whitestrips can maintain their effect for three years or more. Better strips usually last for 12-18 months. Most last for only six months.

Crest Whitestrips cost 

They can cost as little as $15 or as much as $100-plus. Costs depend chiefly on how many strips are included and if it’s packaged with other Crest products.

Crest Whitestrips FAQ

Are there any downsides to using Crest Whitestrips?

A. The most common side effect is tooth sensitivity. For some users, it can be severe enough to last for days and can cause significant pain. Other possible downsides depend on the strength of the adhesive. Some strips don't have enough, making them difficult to keep in place, which can pose a risk to your gums and tongue. Others have too much and may need to be scraped off your teeth.

What’s the difference between in-office whitening and Crest Whitestrips?

A. The main difference is the concentration of the whitening chemical used, usually hydrogen peroxide, found in at-home vs. in-office teeth whitening treatments. Crest Whitestrips typically have concentrations of no more than 10%, and often have less. Comparatively, in-office whitening strips and gels can have concentrations up to 35%. This high concentration lets in-office treatments work faster and stronger than at-home treatments. However, these treatments can greatly harm your gums and teeth if it not perfectly applied or removed in time, which is why they're restricted to professionals.

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Which Crest Whitestrips should I get?

Best of the best Crest Whitestrips

Crest Professional Effects No-Slip 3D Whitestrips: available at Amazon

Our take: The whitening level of these Whitestrips is among the best you can get, regardless of brand.

What we like: The box includes 20 rounds of treatment that take only 30 minutes a day. They can remove up to 14 years of stains, plus the effects should last for a minimum of one year. It also includes two treatments of Crest's one-hour express whitening strips.

What we dislike: A few customers found a strip or two in their boxes with no adhesive, causing them to miss some treatments.

Best bang for your buck Crest Whitestrips

Crest Vivid Plus 3D Whitestrips: available at Amazon

Our take: These Whitestrips are a great choice for removing mild stains or touching up a more powerful strip at the end of its effectiveness.

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What we like: The box includes 12 rounds of treatment that take 30 minutes a day. They can remove up to 5 years of stains, with visible results in only three days. The results last roughly six months. It also includes two one-hour express treatments.

What we dislike: A few consumers had issues with treatments causing tooth sensitivity; they returned to normal after a few days without any treatments.

Honorable mention Crest Whitestrips

Crest 3D Whitestrips With Light: available at Amazon

Our take: If you need the strongest possible whitening effect, you need this strips-and-light combo kit.

What we like: The box includes 10 rounds of treatment that take one hour a day to apply. When combined with the light, these strips can whiten your teeth up to two times more effectively than gel treatments at a dentist's office. The results can last for up to three years.

What we dislike: Tooth sensitivity is a common complaint among purchasers. The light's battery isn't replaceable and a few buyers received lights that didn't work.

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Jordan C. Woika is a writer for BestReviews. BestReviews is a product review company with a singular mission: to help simplify your purchasing decisions and save you time and money.

BestReviews spends thousands of hours researching, analyzing and testing products to recommend the best picks for most consumers. BestReviews and its newspaper partners may earn a commission if you purchase a product through one of our links.

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