Yes and no. The nervous system is what makes your nipples sensitive, he explains, so it doesn’t really make them more sensitive, but it does make them stick out more and makes you more aware of them, so for some, this is more than enough to make a noticeable difference.
Simply so, will piercing my nipples affect sensitivity?
Does it affect/improve sensitivity? Personal experience says no, but for many women, whose piercings have healed nicely, their nipple sensitivity increased dramatically. … Of course, you have to live with the fact that your nipples will be out of action while they heal.