I signed up for a 10 day trial of thier teeth whitening product. At the bottom of the trial offer it did state that you had 20 days to cancel if you did not wish to continue to receive their product. I did not receive the trial product until 14 days after I ordered it. The trial was for 1 week of daily treatments. How do you decide if something is working for the complete trial period if you do not have a full week to decide you only have 4 days left before you decide to continue. I was not able to... read full review »