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Say cheese! This bestselling Crest Whitestrips teeth whitening kit is $30 during the Amazon Big Spring Sale

With savings this big, you can really stock up.

Smile! Your solution to Hollywood teeth is just a click away. If you’ve been thinking of amping up the wattage on those gnashers, now’s the time: The bestselling Crest 3D Whitestrips kit is currently just $30 thanks to the Amazon Big Spring Sale. Scroll for the details — along with another excellent option for at-home whitening, also on sale.

This comprehensive 3D White kit is the most popular tooth-whitening treatment on Amazon due to its pro-level, smile-brightening effects. It promises to remove up to 25 years of teeth stains.

$46 at Amazon

Why is this a good deal?

If you're someone who keeps an eye out for these babies to go on sale (like we do), you know they're hardly ever discounted unless it's a big savings event like this one. So now's the time to buy: You can't beat a respected brand like Crest when it comes to at-home whitening.

Why do I need this?

The pack comes with 22 treatments, with one upper and one lower strip for each sesh. With the new "advanced seal technology," these strips no longer slip, so you can drink water — and even talk — while using them. Just peel a strip off, apply it over your teeth, leave it for about 30-45 minutes and voila! You'll start to notice a whiter smile in as little as three days, with the full effect taking place in about 20. You'll also get four treatments' worth of 1 Hour Express strips to use on days when you want same-day brightness.

woman smiling
Crest Whitestrips are on sale, so stock up! (Getty)

What reviewers say:

"They actually work, y'all!" exclaimed one shopper. "I can hardly believe my own eyes! I'm sold! I just saved $250 for professional teeth bleaching."

"I've never seen my teeth this white before!" one shocked reviewer wrote. "I've tried using other whitening pens which will sting and burn my gums. This whitening strip doesn't hurt my gums... It's so easy to put on and remove."

"Once I confirmed that my dentist does approve this kit, I had to buy it and try it," one final fan wrote. "I had so many years of tea staining my teeth. I can tell a huge difference after using these."

While some shoppers pointed out that it left their teeth feeling sensitive for a few minutes, they noted that duration pales in comparison to other whitening treatments.

Want an extra whitening boost? Check out this Crest 3D Whitestrips with Light kit:

These puppies tackle stubborn stains with the power of light, helping to create results that last up to 36 months, per the brand.

$58 at Amazon

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.)

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

Your Spring Sales Shopping Guide: Spring sales are in the air, headlined by Amazon’s Big Spring sale event. Our expert editors are curating all the best spring sales right here. Follow Engadget to shop the best tech deals from Amazon’s Big Spring Sale, hear from Autoblog’s car experts on the best spring auto deals on Amazon, and find spring sales to shop on AOL, handpicked just for you.

Read more about how we review products and deals: Our deal-hunting team of writers, editors, and testers around the country are all seasoned experts in their fields (tech, style, home, beauty), many with 20+ years of experience. Our unbiased experts maintain strict editorial integrity: We only feature deals we believe will save you money.

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