Yahoo Canada is committed to finding you the best products at the best prices. We may receive a share from purchases made via links on this page. Pricing and availability are subject to change.

Early Boxing Day deal: These Crest Whitestrips are 49% off on Amazon Canada — shoppers are 'very impressed'

Why overpay for professional whitening when you can get pearly whites for less than $50?

amazon crest whitestrips laid out, someone putting on the teeth whitening strips
Amazon shoppers say these Crest Whitestrips give them "noticeable results." (Photos via Amazon)

If you consume coffee, tea or red wine, chances are you have some staining on your teeth. But hey, who says you have to give up your daily latte habit to enjoy pearly-white teeth? If you're looking to brighten up your smile, you can opt for an at-home teeth whitening kit like the Crest 3D Whitestrips.

  • Crest 3D White Whitestrips Professional Effects

    $45$88
    Save $43

Plus, Amazon Canada's excellent deal on these whitening strips will certainly give you something to smile about. Right now, you can score the Amazon's Choice teeth whitening kit for nearly half off ahead of Boxing Day 2024.

Shop all Amazon Boxing Day deals here — and click here for all the latest on Boxing Day 2024 deals in Canada.

In the past month, more than 20,000 people have purchased this kit — and reviewers confirm it delivers "noticeable results." Keep scrolling to see why shoppers keep adding it to their carts.

This teeth whitening kit is nearly half off on Amazon Canada.

$45 at Amazon

The Crest 3D Whitestrips Professional Effects teeth whitening kit promises to get your teeth 13 levels whiter in just 22 days. The kit comes with 22 treatments in larger sizes than previous versions.

Crest uses the same whitening ingredients as professional dentists to brighten your smile, and the Canadian Dental Association has validated its strips.

Crest Whitestrips are effective and safe on enamel and feature a no-slip grip, allowing you to talk and even drink water while whitening your teeth.


The "Amazon's Choice" Whitestrips come backed by more than 3,000 reviews from shoppers, with an average rating of 4.5 stars.

One reviewer says they saw a "noticeable difference" after completing the kit's 22 treatments and calls it a "great product."

"[I'm] absolutely impressed" and "noticed a difference after [the] first use."

Enjoy 13 levels whiter teeth in just 22 days.

$45 at Amazon

These "100 per cent work," says another reviewer. They are "amazing," and you will see a "noticeable difference" after using them. Adding, "my dental hygienist even complimented me on how white my teeth are."

While Crest's whitening kit has earned top marks for flavour, ease of use, and its ability to whiten, some reviewers say the new larger strips cause "gum sensitivity and pain."

"[I] had no issues" with the smaller strips, writes one shopper. However, the new larger strips "burn my gums."


A shopper favourite, Amazon reviewers give a smiling approval to the Crest 3D Whitestrips Teeth Whitening Kit, calling it an "amazing" product that delivers "noticeable results." However, some reviewers experienced gum pain and sensitivity with the new, larger Whitestrips, which is something to keep in mind when placing your order.


  • Oral-B Pro Limited Electric Toothbrush

    $60$120
    Save $60
  • Oral-B Pro Limited Electric Toothbrush

    $92$120
    Save $28
  • Philips Sonicare 4900 Power Toothbrush

    $108$120
    Save $12
  • GUM Comfort Slide Dental Floss 2x40M Pack of 6

    $25$32
    Save $7
  • Oral-B iO Series 7L Electric Toothbrush

    $160$260
    Save $100
  • COSLUS Water Cordless Flosser Pick for Teeth

    $40$50
    Save $10
  • Philips Sonicare Protectiveclean 6100 Electric Toothbrush

    $110$160
    Save $50

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

Let us know what you think by commenting below and tweeting @YahooStyleCA! Follow us on Twitter and Instagram.