Could it not possibly be a maturing hairline though like this suggests - https://baldingblog.com/2007/01/12/maturization-of-a-hairline-moving-from-juvenile-to-mature-with-photos/
It also doesn't look as bad as those original photos when I look in the mirror. At least not as severe, the hairs I...
I'm 18 and I've noticed for a while that I have small hairs on my hairline, I've looked it up and at first I thought they were miniaturized hairs but in photos of miniaturized hair there's significantly less of them than I have. So now i'm starting to worry whether it's a early stages of going bald