normal :]

okay thank you.

Yes, it is "normal" like "the_girlfriend" had said but, you asked "What is it," right?! All it is are the dead skin cells inside the piercing, itself; it they aren't cleaned all the time, or depending on what your every day activities consist of, them along with built-up sweat will cause a "funk," very similar to "ear cheese" with stretched earlobe piercings, or even worse "fromunda cheese" from when a guy doesn't wash his balls thoroughly. It's all the same stuff -- nothing to worry about -- just keep them clean, or it can fester into an infectious wound.

-Aaron @ Black Swan Tattoo

alright thanks. I have wash them twice a day, with an antibacterial soap. Would you reccomend something else?

go to a piercer and get provon
it wont dry out your skin and it keeps it clean

i used salt water on my nose ring
and it healed up well...
that's what the people at the place i got it pierced told me to do

yep or sea salt works too
however the nipples are different then they nose
so its definately more sensitive and soap may irritate them more