Maybe skin cysts?: A little bump on the skin that has whitish stuff inside, but is not pus as in a pimple, is likely a skin cyst that contains skin oils and skin cells. A primary care doctor or a dermatologist can look at it to see what can be done. Sometimes, keeping the cyst empty for a while will allow it to shrink in size. On a penis, tiny permanent whitish bumps near hairs may be normal and not need removal.
Answered 4/15/2020
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