Sahih al-Bukhari 256
Sahih al-Bukhari · Book 5: Bathing (Ghusl) · Pouring water thrice on one's head
Narrated Abu Ja`far:
حَدَّثَنَا أَبُو نُعَيْمٍ ، قَالَ حَدَّثَنَا مَعْمَرُ بْنُ يَحْيَى بْنِ سَامٍ ، حَدَّثَنِي أَبُو جَعْفَرٍ ، قَالَ قَالَ لِي جَابِرٌ أَتَانِي ابْنُ عَمِّكَ يُعَرِّضُ بِالْحَسَنِ بْنِ مُحَمَّدٍ ابْنِ الْحَنَفِيَّةِ قَالَ كَيْفَ الْغُسْلُ مِنَ الْجَنَابَةِ فَقُلْتُ كَانَ النَّبِيُّ صلى الله عليه وسلم يَأْخُذُ ثَلاَثَةَ أَكُفٍّ وَيُفِيضُهَا عَلَى رَأْسِهِ، ثُمَّ يُفِيضُ عَلَى سَائِرِ جَسَدِهِ. فَقَالَ لِي الْحَسَنُ إِنِّي رَجُلٌ كَثِيرُ الشَّعَرِ. فَقُلْتُ كَانَ النَّبِيُّ صلى الله عليه وسلم أَكْثَرَ مِنْكَ شَعَرًا.
Jabir bin `Abdullah said to me, "Your cousin (Hasan bin Muhammad bin Al-Hanafiya) came to me and asked about the bath of Janaba. I replied, 'The Prophet (ﷺ) uses to take three handfuls of water, pour them on his head and then pour more water over his body.' Al-Hasan said to me, 'I am a hairy man.' I replied, 'The Prophet (ﷺ) had more hair than you'. "