My weird harloss case

How guys,my name is Richard and I'm 21 years old.My hairline has been receding since I was 18 but I dont use any treatments to slow down the process at this stage.

The weird thing about me,is that I've taken a hairline pic with a flash in a dark Room and I can see that my forehead has a ton of hairs( like a shit ton) all Over when I zoomed itt hat I cant see and had no idea were there with normal lighting.(on both sides the recession is similar)

With no light I think I'm like a NW 2.5.

What do you guys think I should do since I now want to start slowing down the loss.

Are those small hair just Impossible to regrow?

WTF is going on?Hairy forehead and receding hairline at the same time?!?I

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