To     : Cher
Re     : Teeth Whitening gels


Most teeth whitening gels contain carbamide peroxide.  Carbamide peroxide
is stable while solubilized in glycerin,  but upon contact with moisture,
releases hydrogen peroxide and nascent oxygen, both strong oxidizing agents.
It is used to disinfect infected lesions and for whitening of teeth and
dental appliances.  Hydrogen peroxide is rapidly metabolized by
hydroperoxidases, peroxidases and catalase present in all tissues, plasma,
and saliva.   Its transfer to the plasma is minimal if at all.  It would be
all but impossible for any to reach breastmilk unless under extreme
overdose.

Regards
Tom Hale

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