No idea, I think it varies.
I just want the data and a press release to clear this up and it would've been better if they hadn't tweeted because with limited characters and stuff they are sending conflicting information.
Video says they expect new follicles too
First tweet says no, it just rejuvenates existing ones
Not even 24 hours later and new tweet says it revives dormant follicles.
What people are asking you is if a slick bald head can regrow hair and so far it's been "probably" "no" "yes, but maybe not"