Glenda:

    recommendations for collection storage and handling of a mother' milk for
her own infant in the hospital setting... human milk banking asociation fo
north america. p.o. box 370464 west hartford, ct. 06137-0464 u.s.a.....

    i think this will both answers all your questions and it is
referenced....

   re nipple lubricants: " were use is warranted, a product that can be safly
ingested by the baby should be chosen"  appendix .re lan...." no caution
required for use on open wounds or where ingestion may occur".....not sure
about other.. this section is from Rior & Auerb pp 232-233....

    i think the qudeline will asnswer all your questions...

                 Patricia