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Big event coming up? Brighten your smile with these No. 1 bestselling Crest Whitestrips, on sale for $25

If a wedding, a graduation, vacation or another big event is in your near future, you're probably going to be smiling for the cameras. So if you're considering amping up the wattage on dull or yellow teeth, now's the time. The bestselling Crest 3D Whitestrips Vivid Plus Teeth Whitening Kit is down to just $25 at Amazon, where it has over 40,000 five-star reviews. And while typical at-home whitening kits usually take at least a week to make a difference, this kit can help you see results in as little as one day.

This kit includes 24 strips for 12 total whitening treatments. Use them on consecutive days for best results.

$25 at Amazon

Grab this at-home whitening kit while it's $5 off. It's not a massive discount, but it's nearly 20% off — and $25 is a whole lot cheaper than a professional whitening treatment, which can cost up to $1,000.

Crest's 3D Whitestrips Vivid Plus Teeth Whitening Kit can remove years of stuck-on stains from your teeth. According to the product description, you'll see a difference in three days, but full results in 20 days, after using the whole kit. Its main whitening ingredient is hydrogen peroxide, which is enamel-safe.

The strips come sealed in a pack of two: one strip for the top row and one for the bottom. Simply leave them on for 30 minutes. Crest's "advanced seal technology" helps them stay on, so you can talk or even drink water with them on.

This kit comes with 10 Classic Vivid strips and two Express Whitening strips. The Express Whitening strips work the same way, but you should wear them for one hour. They're a little stronger, so they'll whiten your smile faster — but proceed with caution if you have sensitive teeth.

Crest 3D Whitestrips Vivid Plus Teeth Whitening Strip Kit
Give those not-so-pearly whites some love, no trip to the dentist required. (Amazon)

More than 48,000 Amazon shoppers give these whitening strips a five-star rating, helping make them a No. 1 bestseller.

"I've used this product several times throughout the years and it never disappoints," said one loyal customer. "After a week of using it, you can tell a major difference in your smile! I've tested several other whiteners, toothpastes and mouth washes, and nothing has had such a noticeable effect. On top of how well this product works, it's also easy to apply."

"I used them leading up to my wedding," shared another. "Whitened my teeth about three shades. I was happy with the results."

"I've had ultraviolet lights used both at health fairs and dentists' offices, other in-office whitening treatments by dentists, toothpastes, etc. — this worked better, made my teeth whiter, faster," said a third happy user.

To maintain a bright smile, one Amazon shopper shared that they use the strips more sparingly. "I use these whitening strips one to two times a week," they said. "Strangers have complimented me on how 'perfect' my teeth are. If only they knew how affordable and easy they are to use. Highly recommend if you are not interested in investing hundreds of dollars."

Some shoppers said the whitening strips were too strong, so they had to pair them with a sensitive-teeth toothpaste or skip days to give their teeth a break.

One four-star reviewer explained: "I used two of the regular strips. The first time my teeth were sensitive and hurt after. I thought it might just be because it was the first one. I waited four days in between and used another. Oh my goodness, my teeth hurt so much. For the rest of the day, my teeth ached so bad. I will not be using these anymore. I do have sensitive teeth and knew I could possibly not be able to use these. That being said, my teeth are whiter just after two applications!"

"These truly do work wonders!" said another fan before warning: "I had no problem with sensitivity throughout the whole time I was using them until I used the one-hour strip. I do not recommend using the one-hour strips because your teeth will be overly sensitive to everything! Aside from that, these do work and are amazing!"

"I’m 64 years old and I get so many compliments on how white my teeth are," said one fan. "My dentist said to keep doing what I’m doing. Many people have asked if I have them professionally whitened."

$25 at Amazon

The reviews quoted above reflect the most recent versions at the time of publication.

If you have Amazon Prime, you’ll get free shipping, of course. Not yet a member? No problem. You can sign up for your free 30-day trial here. (And by the way, those without Prime still get free shipping on orders of $25 or more.)

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