and one could argue that showering without consent is also a violation of the person's body... consider an accident where a person is actually super hot with radioactive contamination, does the person have the right to exit the facility without shower and spread the radioactive particulates at will?

the thing is that this type of "violation" can easily be prevented by including the obligatory showering or shaving as part of the contract, so either they consent or they didn't end up in a position where they can be exposed to radioactive matter.

So this can not explain why the hair wasn't shaved.