After I first tried the "Scope Outlast" toothpaste from Crest, I knew that I would never try a different type of toothpaste again. I have tried quite a variety of other types of toothpaste over the years and never really had a loyalty to any of them. When we'd travel, I buy a travel size tube of whatever was available or use the toothpaste brand that my hostess had on hand. Then I tried this one. It exceeded many expectations I never knew I had about toothpaste. The toothpaste does not aggravate my sometimes-sensitive teeth, and leaves my mouth so fresh that I am not self-conscious to talk closely with someone. My mouth feels so clean and minty for hours (or until I eat or drink). It's incredible. Our teenager borrowed our toothpaste while we were away from home and asked to keep the rest of the tube. For someone who is not excited about brushing his teeth, that's a huge compliment. And remember: if you are not already doing so...brush your tongue!