No, The Minoxidil chemical in Regain kills off chemicals that prevent the hair follicles from producing hair. (Thus, Regaine promotes hair growth due to the chemicals killed off instead of killing your hair) However, This chemical that prevents hair growth does not effect other areas of the body such as the armpit, pubic and facial hair regions. (This is why bald people still grow beards and other facial/body hair)
Hope it answers your question.
No.
you have to hit puberty
Humans grow armpit hair as a natural way to regulate body temperature and to release pheromones, which are chemicals that can attract potential mates.
Yes you can make your hair in ypour armpits to grow, you must shave it then it will grow back.
sweat
why would u even want to grow armpit hair it is disgusting so dont do it
Rogaine extra strength 5% minoxidil
to be honest mines grow about 1 metre long
It will grow naturally, once you are old enough and reach puberty.
on your head, armpit area, private parts
um obviously...
proper shaving