Your hairline looks completely alright to me. In general, the length of your chins to nostril = length
of the top of your nose to your hairline.
I don't see any recession at all. I think you are not balding, at least your hairline looks normal.
Don't know about the vertex (because I can't see it in this picture).
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Your hairline looks completely alright to me in the first and last pictures. Unfortunately, looking at your side pictures, you might
have some temple recession going on. In general, the length of your chins to nostril = length
of the top of your nose to your hairline.
Probably nothing to worry about. It looks like you are over washing your hair? Probably should just wash your hair once every three
days, because it looks kind of dry from the pictures.
Don't know about the vertex (because I can't see it in this picture).