I Have a Web-tex Collapsible wash bowl I fill this and use a flannel
I've used one of those Wash Bowls, was not impressed, as you have to use so much water to hold the sides up, OK if you got a consent supply, but no good for a camp out with limited water, In the case of personal washing, I tend to use wet wipes, and talc, and follow FPB&T one wipe for each area, then just burn them, if I've not got a fire they go in a bag until I can, and Cleaning Hand gel on the hands