The main difference between a circumcised (cut) and uncircumcised (uncut) penis is the presence of foreskin around the head of the penis. Although it really.
The foreskin is the double-layered fold of smooth muscle tissue, blood vessels, neurons, skin, and mucous membrane part of the penis that covers and protects.
You may not be personally used to seeing foreskins, but that doesn't . on an uncircumcised penis, you want to make sure that the foreskin is.