I have gotten a 35% carbamide from a dentist and I can tell the difference in 1 application.I have used this several times and seen not one bit of difference. They also send you a trial and then before a week is up, they send you another one for almost $90. I got the one from my dentist for $99 for a years supply. My dentist retired so I thought I would try this out. It didn't work. This company would not accept a return and proceeded to send out an additional set of pens and I got stuck with it. My credit card company tried to reach a resolution with this company but they have an iron clad fine print with no returns whatsoever. I just don't want anyone else to get suckered into this deal.
Bottom Line: No, I would not recommend this to a friend
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