Please be aware when you order the risk free trial, that they will amountlcally charge you credit card. I took the free trial and before I could even try the product, I was charged $92.37 on my visa card. I called DentaWhite and told them I wanted to return the item since I had not tried it and I was given an RMA and returned the item to them. I just talked to them today again since it has been 30 days since I returned my product and when was my credit card going to be credited, and was told the receiving department said the plastic bag was open and I would not be getting a credit. I said this was not possible, unless the receiving department opened it and would like to talk to a manager or supervisor. She said that was impossible, and there was nothing she could do, but if I still wanted to try this product they would only charge my credit card another $25.00. This is unlawful business and presentation for they're product if you ask me. DON'T BE SCAMMED! I WAS!