Chapter: The prohibition of qazaʿ—that is, shaving part of the head while leaving the rest—and the concession allowing a man, but not a woman, to shave the whole head.

1638 – Ibn ʿUmar (may Allah be pleased with both of them) reported: “The Messenger of Allah ﷺ forbade qazaʿ.” Agreed upon.

1639 – The same Companion narrated: “The Messenger of Allah ﷺ saw a boy whose head had been partially shaved while other portions were left unshaven. He forbade them to do that and said, ‘Shave it all, or leave it all.’” Recorded by Abu Dawud with an authentic chain that meets the criteria of al-Bukhari and Muslim.

1640 – ʿAbd Allah ibn Jaʿfar (may Allah be pleased with both of them) said: “The Prophet ﷺ allowed three days to pass for the family of Jaʿfar (may Allah be pleased with him) and then came to them, saying, ‘Do not weep for my brother after today.’ He then added, ‘Bring my nephews to me.’ We were brought before him looking like fledglings. He said, ‘Call the barber,’ and he instructed him to shave our heads.” Reported by Abu Dawud with an authentic chain that satisfies the conditions of al-Bukhari and Muslim.

1641 – ʿAli (may Allah be pleased with him) said: “The Messenger of Allah ﷺ forbade…”