Encyclopedia of Prophetic Hadiths

"Five are acts of Fitrah (natural disposition): circumcision, shaving the pubic hair, trimming the mustache, clipping the nails, and plucking the armpit hair."

A time limit was set for us regarding trimming the mustache, clipping the nails, plucking the armpit hair, and shaving the pubic hair—that we should not leave them for more than forty nights.

"The tooth-stick purifies the mouth and pleases the Lord."

I asked 'Ā'ishah, saying: What did the Prophet (may Allah's peace and blessings be upon him) use to start with upon entering his house? She said: With the Siwāk (toothstick).

When the Prophet (may Allah's peace and blessings be upon him) got up at night, he would cleanse his mouth with Siwak (tooth-stick).

"Trim the mustaches and let the beards grow."