Why men as IBO in Amway have to have a clean shaven face?

I'm an IBO with a beard and no one, ever, has mentioned it, given me a dirty look, or even talked about facial hair do and donts. Several other IBOs in my group have the moustache/goatee combo but I'm the only one I've met yet with a full beard. I think a lot of people make the personal choice to be clean shaven for the same reason salesmen in general choose to be clean shaven, which is that facial hair on men is intimidating and IBOs don't want to come across as intimidating. I've considered shaving my beard down to be more approachable but ultimately decided to let my personality and actions speak for me instead.