It is narrated from Sayyiduna Abu Hurayrah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Had I not considered it a hardship for my Ummah, I would have ordered them to use the siwak with every prayer."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 155
Hadith Gradingمحدثین:صحيح
Hadith Takhrij«صحيح۔ أخرجه البخاري بهذا للفظ 847»