Abu Dawud Book 28, Hadith Number 4165.
Chapter : Use of khaluq by men.
Narated By Ammar ibn Yasir : The tradition mentioned above (No. 4164) has also been transmitted by Ammar ibn Yasir through a different chain of narrators.
This version has: Ammar said: I used khaluq. The first version is more perfect; it mentioned “taking a bath”. Ibn Jurayj said: I said to Umar (a transmitter): They might be wearing ihram (robe of pilgrim)? He replied: No, they were residents.