If you buy the trial of Dazzlewhite, and even if you cancel within 30 minutes as I did, you are in for problems with your checking or credit card account. These other companies automatically start charging you without any service whatsoever. If you call them and tell them you will file a fraud report with your credit card company, they will remove all charges from your account and cancel your membership. At first they will tell you their policy does not allow refunds, but once you insist and tell them about the fraud report, it will be done... read full review »