Score Crest Whitestrips for under $30 during October Prime Day

From beauty editors to reality stars, plenty of industry pros rely on Crest to brighten their smiles.

And right now, with Prime Big Deal Days here in full force, the brand’s bestselling 3D Whitestrips ($46 $30) are available at a rare 35% off.

The easy, at-home smile solution is currently the No. 1 bestselling teeth whitening product sold on Amazon — and has over 68,000 five-star ratings to back it up.

Crest 3D Whitestrips (Pack of 22)

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“I’ve been using Crest 3D Whitestrips Professional Effects for the past three months and I’m incredibly impressed with the results,” one reviewer wrote of the “whitening wonders.”

“The results are impressive, and the strips are easy to use,” a second shopper added, while a third described the strips as “an effective and affordable way to whiten” at home.

In addition to the classic pack, the brand’s 3D Whitestrips with LED Accelerator Light ($80 $69) are also nearly 20% off right now.

Crest 3D Whitestrips with LED Accelerator Light

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Page Six Style Editor Elana Fishman’s a longtime fan of Crest Whitestrips, saying, “I typically use two boxes per year — as the brand recommends — applying the strips every other day to minimize sensitivity. I’ve tried in-office whitening treatments, and these are just as effective (and way cheaper). Even my dentist approves!”

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Don’t miss the Page Six Style guide to the best beauty deals from October Prime Day.

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Famous folks are hooked as well; Paige DeSorbo told E! she’s used the strips since high school, calling them “the best things ever.”

And Chrishell Stause sang their praises to the same outlet in 2022, explaining that while she gets asked about her teeth “all the time,” she doesn’t rely on professional whitening treatments.

Crest’s not the only bestseller offering huge deals on Amazon; be sure to check out our guides to the top beauty, fashion and Oprah-loved deals for more ways to save before the sale comes to a close on October 9.

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Prime Day FAQs, answered

When is Prime Day 2025?

For the first time this year, Prime Day will span 4 days! Sales begin on July 8 at 12:01 a.m. PT and runs through July 11 at 11:59 p.m. PT.

When does Prime Day end?

Calling all chronic procrastinators: Prime Day 2025 ends on July 11 at 11:59 p.m. PT.

Do you have to be a Prime member to shop Prime Day?

Prime Day is Amazon’s member-exclusive sale event. You can get a 30-day free trial to enjoy Prime Day savings (plus all the benefits of the subscription) with no strings attached.

What deals are worth shopping during Prime Day?

From deal-hunting on Amazon sales for years, we know the sale is the perfect time to save on brand names like Levi’s and Ray-Bans, restock your favorite beauty and skincare, peruse accessories like jewelry and handbags, and comb through all of Amazon’s best-sellers for steep discounts.

When is Amazon’s next Prime Day?

For those already wondering about the next sale, Prime Day takes place in July each year and although Amazon hasn’t confirmed the dates for Prime Day 2026, it’s safe to assume it will take place in mid-July. Keep an eye out for a potential return of Amazon’s Prime Big Deal Days for pre-Black Friday discounts in October! Page Six Style will have all the latest news here.

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Why Trust Page Six Style Shopping

This article was written by Hannah Southwick, Commerce Writer/Reporter for Page Six Style. Hannah spies deals on actually affordable celebrity-worn styles, puts Hollywood’s favorite labels to the test and finds the beauty products that keep stars red carpet-ready. She consults stylists and industry pros — including celebs themselves — for firsthand product recommendations, trend predictions and more. In addition to writing for Page Six since 2020, her work has been featured in USA Today and Parade.

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