Al-Kāfi
Hadith 2120عَنْهُ عَنْ عُثْمَانَ بْنِ عِيسَى عَنْ عَبْدِ اللَّهِ بْنِ مُسْكَانَ عَنِ الْحَسَنِ الزَّيَّاتِ قَالَ رَأَيْتُ أَبَا جَعْفَرٍ ( عليه السلام ) قَدْ خَفَّفَ لِحْيَتَهُ .
4. It is narrated from the narrator of the previous Hadith from ‘Uthman ibn ‘Isa from ‘Abd Allah ibn Muskan from al-Hassan al-Zayyat who has said the following: “I once saw abu Ja‘far (a.s.), had made his beard lighter.’”