I have not seen the background correspondence on this issue, but the use of teeth whiteners is not a reason for concern for the breastfeeding mother nor a reason to change her breastfeeding routine at all. As I recall, teeth whiteners have been previously discussed on Lactnet. Frank J. Nice, DPA, CPHP *********************************************** 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