TABARANI 13317:
from Raʾá Ibn ʿUmar Yakhḍib Biṣufrah —
[Machine] "That the Messenger of Allah ﷺ used to dye his hair with it."
الطبراني ١٣٣١٧:
عن رءى ابن عمر يخضب بصفره —
«أَنَّ رَسُولَ اللهِ ﷺ كَانَ يَخْضِبُ بِهَا»