That the Messenger of Allah (ﷺ) said: "Change the gray, and do not resemble the Jews."

He said: There are narration on this topic from Az-Zubair, Ibn 'Abbas, Jabir, Abu Dharr, Anas, Abu Rimthah, Al-Jahdamah, Abu At-Tufail, Jabir bin Samurah, Abu Juhaifah, and Ibn 'Umar.

The Hadith of Abu Hurairah is a Hasan Sahih Hadith, and it has been reported through other routes from Abu Hurairah from the Prophet (ﷺ).
Jami` at-Tirmidhi Book 24, Hadith 33
← Previous Hadith That the Messenger of Allah (ﷺ) said: "Whoever fashions an image, he will be punished by Allah until he breathes into it - meaning the soul - and he cannot breath (a soul) into it. And whoever listens to a people's conversation, while they have gone away from him for it, then He will have lead poured into his ears on the Day of Judgement."

He said: There are narrations on this topic from 'Abdullah bin Mas'ud, Abu Hurairah, Abu Juhaifah, 'Aishah, and Ibn 'Umar.

The Hadith of Ibn 'Abbas is a Hasan Sahih Hadith.

Jami` at-Tirmidhi Book 24, Hadith 32 Next Hadith → That the Prophet (ﷺ) said: "Indeed the best of what the gray may be changed with is Henna' and Katam."

This Hadith is Hasan Sahih. Abu Al-Aswad Ad-Dili's (a narrator in this chain) name is Zalim bin 'Amr bin Sufyan.

Jami` at-Tirmidhi Book 24, Hadith 34