Re: Teeth Whiteners Teeth Whiteners are carbamide peroxide, which is just a stabilized formulation of hydrogen peroxide. When it touches tissue, it releases pure hydrogen peroxide almost immediately. Even is absorbed, tissue peroxidases would metabolize it in seconds. Regards Tom Hale, Ph.D. *********************************************** The LACTNET mailing list is powered by L-Soft's renowned LISTSERV(R) list management software together with L-Soft's LSMTP(TM) mailer for lightning fast mail delivery. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html