Muwatta Malik #937
Hajj
Yahya related to me from Malik from Nafi from 'Abdullah ibn 'Umar
that Umar ibn al-Khattab said, "Someone who puts plaits in his hair
should shave his head, and do not plait your hair in such a way that
it seems you have matted it."
About Muwatta Malik
This hadith is #937 from Muwatta Malik, in the Book of Hajj. Muwatta Malik contains 1,985 hadiths across 61 books.