[mattjaynes]

If you don't have access to a bidet, just use the "dab of lotion on the TP" technique.

Wipe like normal. Then put a bit of lotion on new folded TP and wipe. Repeat a few times until the TP is completely clean. It's not at the level of bidet, but it gets you pretty squeaky clean (try it).

Best is to use thicker lotion with enough "slipperyness", like true cocoa butter, etc. Cheaper lotions generally don't work as well. Keep a small tube of the lotion in your backpack if you need it when you're out and about.

(Fun fact: I submitted this technique as part of my YC application years ago and PG mentioned it to me when I ran into him at Stanford)