Narrator:Abu Hurayrah
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»
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.)
Reported by Al-Bukhari (No. 238, 876, 896, 2956, 3486, 6624, 6887, 7495), Muslim (No. 855a, 855c, 855d), An-Nasa’i (No. 1367) and Ahmad (No. 7009, 7092, 7094, 7381, 7382, 7767, 8147, 9739). Cited in Mishkat al-Masabih (No. 539).