Hadith 5081
أَخْبَرَنَا حُمَيْدُ بْنُ مَسْعَدَةَ، قَالَ حَدَّثَنَا عَبْدُ الْوَارِثِ، قَالَ حَدَّثَنَا الْجُرَيْرِيُّ، عَنْ عَبْدِ اللَّهِ بْنِ بُرَيْدَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِنَّ أَحْسَنَ مَا غَيَّرْتُمْ بِهِ الشَّيْبَ الْحِنَّاءُ وَالْكَتَمُ " .
It was narrated that 'Abdullah bin Buraidah said:
"The Messenger of Allah [SAW] said: 'The best things with which you can change gray hair are Henna and Katam.'"
Reference : Sunan an-Nasa'i 5081
In-book reference : Book 48, Hadith 42