Great work Sarah! This is something I get asked about quite often and it’s nice to have a well-written authoritative source to point people to.
My personal strategy is to use hypoallergenic wipes (Cottonelle are inexpensive and come in small, convenient, ‘travel’ packs) every time I pee and to have a ‘Buff’ bath (sponge bath with a Buff that is easy to wash and dry) every day or so when I change into sleep layers.
You can also use individually wrapped, light, panty liners changed every 6 hours or so to keep things cleaner, dryer, and fresher on short trips or paddling adventures where weight and space are less of an issue. This makes washing underwear easier and faster.