High levels of pheomelanin (a red melanin). There's a tiny mutation that arose in that area and a couple of others worldwide that causes the pheomelanin levels in hair to be very high. No harm done though, just a pigment.
Something I have noticed, however, is that the Irish redheads in my family have all had acne and skin issues. I wonder if that tiny mutation has something to do with that. All of mine is eumelanin (the brown melanin) because of my Native father.
Why do many Irish people have red hair?
the sun is always shing there and it turns there hair red
Why do many Irish people have red hair?
cuz thats how they roll
Why do many Irish people have red hair?
i'm irish ,i don't have full red hair but i have like natural red highlights in it
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