Crest 3D Whitestrips Professional Effects are currently 35% off, meaning they're just as cheap as they were during Amazon Prime Day 2025.

The Good Housekeeping Institute has tested different versions of Crest's teeth-whitening products—and our Beauty Lab experts have given them high scores in testing.

Like all Amazon sales, this deal will only be live for a limited time.

Amazon Prime Day comes and goes—and with it comes fleeting sale prices and limited-time deals. But if you missed out on the beloved Crest Whitestrips discount , you're in luck.

Crest 3D Whitestrips Professional Effects is back on sale for 35% off , making the entire Professional Effects set on sale for $30. That's exactly how cheap it was during Prime Day last month, per our previous coverage.

3D Whitestrips

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