I received a offer to try this teeth whitening stuff on the internet for .99 cents and I called them. After a couple weeks I received there product that burned my gums so I put aside and forgot it. I received the bill for $158.27 and I am fit to be tied. This a scam of scam and I have to pay for it I will do all I can to let everybody know that ABT Teeth Brite White that uses Gadencr teethwhite. phone number 877-219-03549 in Texas are one in the same. Buyer be wear they are out to get you.