In order to cancel out of their "trial offer" you must call within 10 days. Easy enough, the offer spells that out.......
BUT they don't tell you that you then will owe ONLY $38 for the remainder of the trial product! If you refuse to pay that, you must return the remaining product (and can only have used a maximum of 10-days worth-?) at your expense with the recommendation from them that you also pay for delivery confirmation. (In other words if you don't then, OOPS! it was never received)