I WAS TAKEN BY A "TRIAL" OFFER FOR TEETH WHITENERS THAT MUST BE USED IN UNISON WITH ANOTHER "SO-CALLED" BRAND. I ESSENTIALLY FELL FOR IT! SO TWO PACKAGES ARRIVED AND I THOUGHT IT ODD THAT THEY WERE BOTH CLEANWHITES AND NO OTHER BRAND. SO I CALLED TO CANCEL AND FOLLOWED THE ORDERS REGARDING THE PROPER WAY TO SHIP BACK ITEMS. I, FORTUNATELY, PAID FOR SPECIAL AIR AND TRACKING. WHEN I CALLED CLEANWHITES TO CONFIRM CANCELLATION, I WAS TOLD THE TRACKING NUMBER THEY HAD GIVEN ME MUST BE WRITTEN ON THE OUTSIDE OF THE PACKAGE. THIS INFO... read full review »