HydraWhite Without authorization from me snatched more than $80 from my account. Denver Colorado

I wish to inform you of a transaction that recently took place on the Internet.  On December 25, 2012, I came upon an advertisement for a tooth whitener.  The ad offered the opportunity of receiving free trial of HydraWhite for a total price of $1.03.  I took advantage of the offer, using my bankcard/credit card number in order to pay for the offering.  In very small print and in another part of the offering (not immediately visible, and then only barely) was the proviso that if I were to keep the trial offering for more than eight (8) days, HydraWhite would assume that I wished to join a club that would send me a
monthly supply at $78.43 per month. In other words, they would charge me for something that I had not ordered. 

As of todays date, I have not received anything from HydraWhite, other than the initial sample.  Nothing.  Nor
do I want anything from them. 

I simply want a reversal of these fraudulent charges.

I checked my bank account on line on January 4, 2013 and saw that $78.43 had been deducted from my account on January 3rd.  When I called the number (888-528-0305) provided on my bank statement I was told that I had ordered the monthly supply at the $78.43/mo. price by default. 
The person with whom I spoke told me that another larger package was being sent to me and that if I would return it they would give me a credit of $60.  When I asked why I would be refunded an amount so much smaller I heard a great amount of verbiage and confusing information.  Since this persons words and speech were so incomprehensible, I called back a second time.  I then spoke with a woman who informed me that the cost of the samples was $78.43, and I would only receive a
refund if I returned the sample. 
I immediately terminated the conversation.

The situation has not changed.  The charge is still on my account.  I have not received the tooth whitener and I informed HydraWhite on the telephone on 1/3/13 that I have no interest in it.  I am attaching a copy of a site on the Internet that describes the way in which HydraWhite has deceived others.