Do I need to wash Negal Vasser after touching my hair?
One may touch their hair that is not usually covered, and need not wash their hands afterwards, unless one scratched their head within the hair on the scalp.
שו״ע אדה״ז מהדו״ק סי׳ ד׳ סעי׳ י״ח, סי׳ קס״ד סעי׳ ב׳.
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