Getting hair cut from female barber, specially here in the USA you would find females barbers at most of the haircut places. (any difference of ruling between young vs. old barber ladies, say 50 years of age)
Answer:
It is not permissible for a male to have his hair cut by a female barber.
There is no difference in the female being young or old.
and Allah Ta’ala Knows Best
Mufti Ebrahim Desai
FATWA DEPT.