Throughout life, the foreskin is a protective jacket, which guards against trauma and injury. It also keeps the glans soft and moist. All mammals have a foreskin. This site removes any doubt that the foreskin plays a substantial role in sexuality . The page also lists the 12 Functions of the Foreskin clearly eliminating the common belief that the foreskin is just a small piece of skin with no purpose.
Circumcision completely exposes the glans.
On occasion, a male is born without a foreskin. This abnormality, called aposthia, occurs very rarely. When it does, hospital records must report it as a birth defect. It is truly ironic to think that this unusual defect is forced upon more than half of the males born in our country. In some children, the end of the penis has not completely developed, and the child is unable to produce a forceful stream of urine.