Can finasteride or dutasteride even work if dht sensitivity of the follicles isnt even the issue.

[DominoEffect]

I mean imagine that some guy just has insanely sensitive hair follicles to dht. Where the mom's dad doesn't have facial hair, looks feminine, etc.

In that case it's not finasteride that helps. It's just the genetic structure of the follicles/ capillaries that will get blocked off/ etc.