The 365 · Sunnah · Day 148 · Appearance
The Siwak: Purifying the Mouth
The hadith
لَوْلَا أَنْ أَشُقَّ عَلَى أُمَّتِي لَأَمَرْتُهُمْ بِالسِّوَاكِ عِنْدَ كُلِّ صَلَاةٍ
Were it not that I would impose hardship on my ummah, I would have commanded them to use the siwak at every prayer.
Svenska: Om det inte vore för att jag skulle betunga min umma, skulle jag ha befallt dem att använda siwak vid varje bön.
Sahih al-Bukhari 887; Sahih Muslim 252 (narrated by Abu Hurayrah)
The story
Cleanliness of the mouth was so beloved to the Prophet ﷺ that he wished he could make it obligatory, yet held back out of mercy for his ummah. Abu Hurayrah reported his words that had he not feared placing hardship upon the people, he would have commanded the siwak at every prayer (al-Bukhari, Muslim). The siwak - a small twig from the arak tree - was rarely far from him. Aishah (may Allah be pleased with her) said that when he entered his home, the first thing he would do was use the siwak (Sahih Muslim). He reached for it on waking in the night, before prayer, and when his household gathered. In another narration he described it beautifully: the siwak purifies the mouth and pleases the Lord (Sunan an-Nasa'i; Musnad Ahmad). Even in his final illness, as Aishah cradled him, he glanced at the siwak in her brother's hand; she softened it for him and he cleaned his teeth with it - among his last acts in this world (Sahih al-Bukhari). A simple twig, yet it carried worship, dignity, and love of the Lord all at once.
Why it's here
Grooming the mouth is not vanity in Islam - it is an act that reaches upward. The Prophet ﷺ tied the siwak directly to two things: the purity of the worshipper standing before Allah, and the pleasure of the Lord Himself. When we clean the mouth we use to recite Qur'an, make dhikr, and greet others, we honour both the words we carry and the One we address. It is also a mercy to those around us. That the Prophet ﷺ nearly made it obligatory shows how a tiny, effortless habit can hold real weight in the scale of the sunnah - beloved, rewarded, and easy to keep alive daily.
Try it today
1. Keep a siwak or a toothbrush where you pray or by the sink, so it is within reach. 2. Use it before at least one of the five daily prayers today, renewing your intention to follow the sunnah. 3. Reach for it at the moments the Prophet ﷺ did: on waking, before prayer, and when entering your home. 4. Make a quiet intention that cleaning your mouth is both worship and a kindness to those near you.
In your day
This sunnah fits into the seams of an ordinary day. A siwak in your bag, car, or prayer area turns idle moments - before wudu, waiting for the iqamah, arriving home tired - into small acts of worship. Pair it with your existing habits: brush or use the siwak before Fajr and before you sleep, and slip it in before Jumu'ah and gatherings. If you fast, keep it for the permitted times and let it freshen the mouth without excess. Over weeks, what begins as a deliberate act becomes second nature, and the mouth that praises Allah stays clean and ready.
A reflection to carry
The Prophet ﷺ nearly made the siwak obligatory out of love for it. What small, easy sunnah could you revive today that carries reward far beyond its effort?
Sources: Sahih al-Bukhari 887 (Book of Friday Prayer) - the hadith of the siwak at every prayer, Sahih Muslim 252 - same narration from Abu Hurayrah, Sahih Muslim 253 - Aishah: he used the siwak on entering his home, Sunan an-Nasa'i 5; Musnad Ahmad - 'the siwak purifies the mouth and pleases the Lord', Sahih al-Bukhari 4438-4451 (Book of Maghazi) - Aishah's account of the siwak in his final illness. The Qur'an and its translation are verified; the scholarship is retold faithfully in our own words and credited to its sources, never reproduced verbatim.
Also on Day 148
A verse, a healing, and a Sunnah, every morning.
Subscribe, free