مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ عِيسَى وَ عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ جَمِيعاً عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ عَبْدِ الرَّحْمَنِ بْنِ عُمَرَ بْنِ أَسْلَمَ قَالَ حَجَمَنِي الْحَجَّامُ فَحَلَقَ مِنْ مَوْضِعِ النُّقْرَةِ فَرَآنِي أَبُو الْحَسَنِ ( عليه السلام ) فَقَالَ أَيُّ شَيْ‏ءٍ هَذَا اذْهَبْ فَاحْلِقْ رَأْسَكَ قَالَ فَذَهَبْتُ وَ حَلَقْتُ رَأْسِي .
5. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad ibn ‘Isa and Ali ibn Ibrahim has narrated from his father from all from Ibn Abi ‘Umayr from ‘Abd al-Rahman ibn ‘Umar ibn Aslam who has said the following: “I once applied cupping. The cupping man shaved that area. Abu al-Hassan , saw me and asked, ‘What is this? Go and shave your head.’ I went and shaved my head.’” 