Blizzard white claims to have free trail which u pay shipping understandable..whats not understanbel is them deudcting 94.00 form your checking account with your autherizing! they are crooks that dotn apoligize for ripping thier custamers off...if its so good why pay $94.00 plus a mth to keep your teeth white!Let your dentist crook you for $500.00 whitner there not online!Buyers Beware!