I've been using Crest Sensi-Relief whitening Plus Scope Toothpaste for a few weeks now and I can say that from the first time I used it, I was able to drink ice cold water with out a bit of pain! The other so called sensitivity relief products that I've tried have also done this, but the effect never lasted. With those my sensitivity has always come back with in a few hours to a few days no matter how much I've brushed with them. Since I started using this new Crest Sensi-Relief whitening Plus Scope Toothpaste I haven’t experience a bit of pain, no matter what I've eaten or drank and it’s made me feel like a whole new me. This toothpaste is a lot thicker then the others I've tried and the mint flavor that it has I haven’t found to be over powering like some can be, but I also didn't care for it until I got use to it. Now the taste doesn't brother me a bit and I even look forward to using it. This toothpaste also gives your teeth and your entire mouth a nice clean fresh feeling with out feeling, or tasting like a medication. Once done brushing I can really taste the scope that’s in it and this also last for quit a long time. I haven’t noticed any whitening as of yet, but just being able to eat or drink anything that I want to again has convinced me to stick with Crest Sensi-Relief whitening Plus Scope Toothpaste. When the new years best products come out Crest Sensi-Relief whitening Plus Scope Toothpaste is sure to be on it!!