[pircedguy]

i asked this question on the Ainterol forum and this is the reply i got.

Because skin is thinner and nerves are sensitive around nipple and areola. Some women or men may feel nipples more "itchy" and can be embarrassing to walk around with "hard nipples". There's no way to control these nerves once nipple is "hardened" by external use of PM. Taking PM internally effects differently.

just thought some of you may want to know.