It's no different than washing any other body part.
You can help prevent this by wearing loose-fitting underwear and avoiding tight pants.
This German hot flight attendant that was trying to get me to fuck her not knowing I'm gay kept asking "Are you circumcised? Rates are much higher amongst the privileged, highly educated middle-class to upper-middle-classes, and white people not born at home.
We need to start teaching high-school students about this as it seems to be a widely believed myth.
No one has the right to cut off perfectly healthy tissue without the owner's consent.
There should be no shame in curiosity, education, and being yourself.