The Messenger of Allah ﷺ said, "Change the gray hair and do not imitate the Jews."
حدثنا قتيبة حدثنا أبو عوانة عن عمر بن أبي سلمة عن أبيه
قال رسول الله ﷺ غيروا الشيب ولا تشبهوا باليهود
[Its chain of transmission is hasan] On this subject there are also narrations from Zubayr [Nasai: 137/8, no. 5077], Ibn Abbas [Abu Dawud, no. 4211, 4212], Jabir [Muslim, no. 2102], Abu Dharr [to come: 1753], Anas and Abu Rimtha [Tirmidhi in Shamail, no. 45], and Jahdama [Tirmidhi in Shamail, [Ahmad: 3/247] no. 47], Abu Tufayl [Bazzar (Kashf Astar): 372/3, no. 2976], Jabir bin Samura [Tirmidhi in Shamail, no. 44, and Muslim, no. 2344/110], Abu Juhayfa [perhaps referring to the hadith of Tirmidhi in Shamail*, no. 42], and Ibn Umar [Nasai, no. 5076].