I looked around for this answer and in the CF grooming guidelines, it says you can maintain a shaved head but is that allowed in BMQ? 
My hair is bald at top. So, I'm not trying to be "hardcore" or anything along those line. 
 I shave my head regularity with an electric shaver. (Not a hair trimmer). It takes about 2-3 mins in the evening. 
That way, it's just stubble for the whole next day. Not right to the skin. I don't ever shave my head with shaving cream and a razor. 
I asked this question elsewhere and I've been getting different answers:
"You can't shave your head due to excess sweat infecting follicles"
"A sunburn you can be charged for self mutilation" 
"If you arrive with a shaved head, you can maintain it" 
"If you shave your head,  you can't shave it and you're only allowed a #1 as the lowest length during the indoctrination period. 
After that's over, you can shave your own head off of the base premises" 
I’ve been reading different things and it's really confusing. 
I just want to be sure that you’re allowed to shave your head.
Thank you for your time to whoever reads this.