It might not sound like a good idea and im not gonna do it but out of curiosity can 2 female bearded dragons take baths together without major risk? Like i say just curiosity
They can. I would make sure there's plenty of room for both of them to move around. Also, make sure you watch them at all times. They most likely won't do anything but you never know.
Females can be aggressive to one another, at an early age this is typically not an issue as dragons are communal at young ages. As they grow older they often times divert from this and become solitary in nature. I have no actual experience in female to female dragons as I only own 1 female, rest males. Just be aware of body language, posturing and signs of dominance between the 2.