When water is at a premium and your personal hygiene is suffering you might want to consider the HandyShower because it has a patented self-closing valve that doesn’t waste a single drop of water while you clean up. The bidet feature is use at your own risk but backcountry cleanliness is tough business: 
Premium kits go for $40 with an expected delivery of November 2018: 
“HandyShower is lightweight, compact, easy to use, and thanks to its patented self-closing valve – it does not waste a single drop of water. Interchangeable nozzles allow you to switch between a shower, faucet, bidet/shattaf within seconds, and with the included 2l solar water bag, you can also use it as simply a water container. Moreover, HandyShower is compatible with any other water container so you can easily combine it with a PET bottle or a bucket.”
While HandyShower wants to get funded and make some dough, it should also be noted that their technology could be deployed in humanitarian efforts around the world:
Explore their IndieGoGo campaign here
