Hadith 539

Abu Huraira reported God’s messenger as saying, “It is a duty for every Muslim to bathe once a week, washing his head and his body.” (Bukhari and Muslim.)

وَعَنْ أَبِي هُرَيْرَةَ رَضِيَ اللَّهُ عَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «حَقُّ عَلَى كُلِّ مُسْلِمٍ أَنْ يَغْتَسِلَ فِي كُلِّ سَبْعَةِ أَيَّامٍ يَوْمًا يَغْسِلُ فِيهِ رَأسه وَجَسَده»

Reference: 5605390
In-book reference: Book 3, Hadith 539