وَدَاخِلُ الْمَضْفُورِ مِنْ شَعْرِ الرَّجُلِ مُطْلَقًا، وَبَشَرَةُ اللِّحْيَةِ
7. For a man, the inside of braided hair must be washed; the commentary states that he must undo the braid so all required hair can be washed.
8. Water must reach the skin beneath the beard, even when the beard is thick.
This beard rule is stricter than the Wudu rule for a thick beard.