I was always fascinated by the shock Hermione Gingold displayed at Rabelais being in the public library ( THE MUSIC MAN) In high school I checked out Gargantua by said author, a satire of the search for TP substitutes. Sadly, I was probably the only student to ever open that volume before my laughter alerted the PTA. Seriously, hygiene is a adjunct to good health ( including mental clarity) when ROUGHING IT. Doug lists a few items in the bigger kits. My pocket first aid kit is evolving into a preventative maintenance kit; chapstick,hotel sized soap bar, cut down toothbrush, moleskin, bandaids and OTC meds and sting ointments.