I like this product. I noticed a difference on the second day. By the fourth day, other people noticed too. Way better than the other white strips I used in the past. The only thing was the day after using it the first time my teeth were extremely sensitive. But by the second day that feeling was gone.
I would and already have recommend to friends and family.
I made my dad go buy them and he said they work well and his teeth are whiter.
I recieved this product to test from chickadvisor so I am not sure about the price.
Works awesome..Thanks Chickadvisor for hooking me up!!!!!
Here's a pic of my shiny white teeth!!!!! I'm the blonde..

The results I've seen after 3 days of using this product were enough for me to go ahead and write a glowing review for this product. My teeth are already much whiter than a few days ago!

PROS: affordable, very effective, easy to use, strips do not slide off teeth
CONS: leaving them on for 2 hours can be hard, especially if you're impatient like I am
may cause teeth to become sensitive (so far, this hasn't happened to me)

I've been using Crest White Strips for a very long time, actually, since they first came on the market, and with each new product they launch, the quality improves. I'm always getting compliments on how white my teeth are even though I drink 2-3 cups of coffee per day, and its all because of the white strips! Thanks Crest!