Sahih Bukhari Volume 4, Book 56, Hadith Number 668.Sahih Bukhari Book 56. Virtues and Merits of the Prophets (PBUH) and his Companions Narated By Abu Huraira : Allah’s Apostle said, “The Jews and the Christians do not dye (their grey hair), so you shall do the opposite of what they do (i.e. dye your grey hair and beards).” Related Previous Post Sahih Bukhari Volume 4, Book 56, Hadith Number 669. Next Post Sahih Bukhari Volume 4, Book 56, Hadith Number 667.