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The foreskin
The foreskin covers the tip of the penis (glans). It extends from the skin that covers the shaft of the penis and has a thinner and more sensitive inner surface that is attached to the shaft where it joins the glans. As well as its sensitive inner surface, the foreskin protects the tip of the penis. Under the foreskin, the skin of the glans is thin and moist.
When a boy is born, the inner layer of the foreskin is normally stuck to the glans and the foreskin cannot be pulled back (retracted). As the boy grows, the inner skin separates and the opening becomes more elastic so that by the time he is fully grown he should be able to retract it without discomfort. Some boys can do this by the time they are three to four years of age. Others may not be able to do this until puberty. As the foreskin separates, dead skin cells form collections of white material under the foreskin (smegma) which may look like cysts. This is normal.
I HTH's because it sure did me! I personally think leave it alone!!!