´It was narrated that Abu Hurairah said:` "The Messenger of Allah said: 'When anyone of you cleans himself, he should not clean himself with his right hand. Let him clean himself with his left hand.'"
Hadith ReferenceSunan Ibn Majah / The Book of Purification and its Sunnah / Hadith: 312
Hadith Gradingالألبانی:حسن صحيح | زبیر علی زئی:إسناده حسن