Yeah, they whiten like mad. Be uber careful if you're gonna use them cuz you can over do it. but if you do over do it, your teeth fade again over time (like a few years) so at least you won't permanently look wierd.
'I like long walks on the beach...sipping champagne by the fire...gutting dear... (Tweaks_Rock_me)
"Silly faggot, dicks are for chicks." (Skierman)