Was over at Pearl Harbor the other day while I was on vacation. You had a female PO2 whose hair was too short to be in a bun or even a pony tail that was incredibly unkempt working the the ferry to the Arizona memorial. Like it was a forest but going to the four winds.
My old roommate is stationed at Schofield and we stayed with his family for a few days (easily saved us 1500 bones) and he was telling me about how it's essentially impossible to enforce standards around hair and nail polish on female Soldiers and female NCOs will rarely confront another female Soldier. A female officer will also rarely confront a female Soldier who is out of regs...but it's out of fear, not because they agree with that Soldier.