Al-Lu'lu Wal-Marjan 820 — The Book of Hajj (Pilgrimage to Makka)

Abu Hurairah Narrated from:

Allâh's Messenger said, "O Allâh! Forgive those who have got their heads shaved." The people asked, "Also those who have got their head-hair cut short." The Prophet said, 'O Allâh! Forgive those who have their heads shaved." The people said, "Also those who have got their head-hair cut short." The Prophet invoked Allâh for those who have got their heads shaved, and said, "Also (forgive) those who have got their head-hair cut short." ( Sahîh Al-Bukhârî, Hadîth No. 786, Vol. 2) the shaving of one's head which should be started from the right side.