Re:
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I have a question about your "hair parasite".
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"My" 'parasite'. I don't want it, thanks! [j/k]
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Would it "grow" or manifest itself to other parts of the body other than the scalp?
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I have reason to believe that it may. In fact, I may have reason to suspect that it could live 'around' the mucocutaneous layer quite well, surely spreading along afterwards, if that's factual.
It looks probably like some kind of dermatophyte to me, but "it looks" that way. I'm not sure. It grows aggressively, and I mean AGGRESSIVELY.