I've been using a different teeth-whitening toothpaste for over a month now, and I've seen a good amount of whitening. This one is getting them even whiter -- in just a couple of days. Don't love the flavor, but I can deal with it for the outcome.

I was stoked for this toothpaste because their optic white toothpaste they released last year made my teeth dramatically white within days. This toothpaste did NOT do that. That's not to say it's not a good toothpaste though. It cleans teeth and...

I noticed maybe a little bit of whitening while using this for a couple of weeks, but not nearly as much as with other whitening products. It's a good maintenance toothpaste, but I didn't find that it gave me noticeably whiter teeth.

This whitened my teeth for a good week or so, but I felt like I hit a plateau where it stopped whitening. Leaves my mouth feeling minty fresh!