(16) باب الْخِضَابِ بِالْحِنَّاءِ وَالْكَتَمِ
It was narrated that Abu Rimthah said:
"My father and I came to the Prophet [SAW] and he had dyed his beard with Henna."
Reference: Sunan an-Nasa'i 5083
In-book reference: Book 48, Hadith 44
English translation: Vol. 6, Book 48, Hadith 5086