It's that simple. Out of the mouths of babes. There is much unnecessary anxiety over the issue of hygiene. Concern for proper hygiene is over emphasized, and so the needless practice of routine circumcision continues. Overzealous cleaning attempts can cause posthitis, urinary tract infections and phimosis.
People are surprised to learn that the intact penis requires no special care.
The best advice is to simply leave it alone. Consider providing your doctor with an Intact Care Agreement . Usually starting around the age of 5 or 6, boys should be taught to retract their own foreskins once a week and rinsing with warm water. Sometimes the separation process takes longer and a boy may not be able to fully retract his foreskin until he is 10 or more. This is normal and not cause for alarm.