I didn't actually come across them at their site www.ivorybrite.com but it was part of a game I was playing at facebook. I signed up for a trial which cost $4.99. That seemed innocent enough. A few days later my checking account was dinged $88.97. I was really upset. At the same time I had signed up for another whitener, because the trick they said was the two of them were supposed to work miraculously together. This trial was $3, 99. The first ding from them was $78.93. So, between them I was looking at a huge bite (no pun intended) out... read full review »