question #3 Sahih Muslim 849, Book 7, Hadith 13 : What are the religious obligations related to personal hygiene for Muslims during the week?

Abu Huraira reported that the Messenger of Allah (ﷺ) said. it is the right of Allah upon every Muslim that he should take a bath (at least) on one day (Friday) during the seven days (of the week) and he should wash his head and body.