Amazon offers the Crest 3D White Professional Effects Whitestrips Kit with 22 treatments for $28.99 shipped when applying the on-page coupon and adding code 10CRESTPE22 at checkout. That’s good for a $15 discount from the regular going rate, beats the Amazon all-time low by $1 and is the best offer out there. You can typically expect to pay $44 for the whitening kit. Rated 4.2/5 stars from over 2,100 customers.

Crest 3D Whitestrips Kit features:

  • Due to a change in packaging of Professional Effects + 1 Hour Express Whitening Kit, you may receive either package depending on availability. Both packages deliver the same great whitening results with 1 use!
  • Professional Effects delivers professional-level teeth whitening results and removes 14 years of teeth stains for a whiter smile
  • 1 Hour Express whitens teeth faster than ever, even when there’s no time to plan and removes years of stains in just 1 hour for a noticeably whiter smile
  • Advanced Seal Technology’s no slip grip stays put so you can talk and drink water while whitening teeth
  • 20 Professional Effects and 2 1 Hour Express teeth whitening strip treatments, each with 1 upper and 1 lower strip. For best results use with Crest 3D White Toothpaste

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