So far, I love it. I have only used it for about two weeks. Tooth and gum sensitivity relief was in the first two days. Enamel smoothness happened in the first week. My teeth are not in good condition, I'm in my 60's. Crowns, some cavities still forming, one tooth with large pocket. That one was actualy loose. I was at a place where I was looking at having sooome removed. Removal and replacement would be very expensive, plus I am having other health problems that I am working on and antibiotics and the process would interfere with the progress in that department. When I saw advertisements for hydroxyapite I went with one advertised at a higher rate. It said it had the xylitol to clear infection. I did not look up company and it was not what was advertised. It also took very long time to receive. Big mistake and waste of time and $. I am very impressed with results i am getting with this and the videos on how you came to make this mineralized power. I will be getting more. I can't say yet that it will heal all, but it is doing more than I thought possible. Plus the minty freshness is great.