I bought the product and have been using it for three weeks. I've used it as directed as well as, have been in the gym doing leg/butt exercises. After 3 weeks, there haven't been any results. My skin tingles at the area of application but there isn't any plumping as stated. Don't waste your money.

I installed this and then was unable to activate. I had to contact MSFT and the tech determined I would have to call MSFT.

I have been asked to review the Tachyon XC Micro twice and I haven't done it until now, because I wanted to test it thoroughly first. Prior to buying the Tachyon, I owned an Epic. The Tachyon is a far superior camera and a great value for the money. The video quality is far superior to the Epic. The colors are rich and the image is clear. The Epic is said to have better audio and it does, until you put it in its "waterproof" enclosure, then it is just the same as the Tachyon, since the Tachyon is always water ready. The Epic fogged up after about 15 minutes and the Tachyon showed no signs of problems after three hours in a kayak.