Shama-il Tirmidhi Chapter 5, Hadith Number 1 (36).
Qatadah R.A. reports: “I asked Anas R.A., ‘Did Rasulullah (Sallallahu alaihe wasallam) dye his hair?’” He replied: “The hair of Rasulullah (Sallallahu alaihe wasallam) did not reach such a stage where one would use a dye; however Rasulullah (Sallallahu alihe…