Although it could result in funny situations (especially with my female colleagues) the shower solution is not an option for us here at the factory …
Despite the name (oil) Ballistol is not greasy, sticky, or slippery at all when applied in the right amount and when rubbed in well.
As the ‘stains’ are merely particles that are nested in the pores of the aluminum, Ballistol will fill up these pores thus keeping ‘particles’ out longer.
The effect of Ballistol will last by far longer than a plain shampoo wash. Compare it with washing your car or waxing it.
I guess the gender of a housing is still undecided as it is mostly referred to as 'it'.
Although many of my male customers threat 'it' as if 'it' were a 'she' ... ;o)