I've watched Alone in the Wilderness 1 and 2 about 10 times each and it just struck me: he never once mentions taking a shower or washing his clothes.

I get that he lived alone and didn't have to worry about using AXE (tm) Bodywash to attract grills, but how would he practice basic hygiene without even a gravity shower? He could have easily rigged something up to the bottom of the raised cache he built and warm water up on his stove.