u/KiwametaBaka

Can anyone recommend me a book on personal hygiene? Stuff like whether to take one shower or two showers a day, when to use deodorant and how much, the proper way to clean your nose, when to use cologne and how much to use at one time, etc. Even on topics like how often to change your bedsheets / towels, how to style and comb your hair for the workplace, how to deal with dry, cracking lips, stuff like that.

No one ever taught me this stuff and I'd like to have a large encyclopedia or reference book that I can pull out any time I have questions. The older of a book this is, the better, since I distrust anything that is new or fad-like. Something equivalent to Emily Post's Etiquette.