The Messenger of Allah ﷺ said, "Five practices are part of the natural disposition: circumcision, shaving the pubic hair, plucking the underarm hair, trimming the nails, and clipping the moustache."
حدثنا محمد بن جعفر قال حدثنا معمر قال أخبرنا الزهري عن ابن المسيب
قال رسول الله ﷺ خمس من الفطرة الختان والاستحداد ونتف الإبط وتقليم الأظفار وقص الشارب
Its isnad is sahih, and it has already appeared at 9292, and it is found in the works of the imams collectively.