One could say that being androgynous could help too, because as an androgynous person myself, it is easier to accentuate certain characteristics to end up looking like a different person all together. In fact, as I've been stocking up on materials that will make me look passable as a boy if need be.
It's surprising but practicing voice modification is a VERY useful tool for hiding, being able to mimic a specific inflection, accent, or completely change your tone of voice will definitely change your character, however this take a lot of practice still it can be done:
For the men:
https://www.youtub...atch?v=lGHoIjPJ7nc For the ladies:
https://www.youtub...8Tw2ff_koPI&t=231s