Shower nightly. Handwashing and all that jazz I'm trying hard not to get OCD about. I've gotten to the point where I can't stand anything on my hands, not even lotion. I have DH combine the meatloaf mixture for me. I tell him it's because the cold meat causes my hands to hurt when submerged in it, which is true. The real reason though is that I can't stand the feel of all that greasy hamburger on my hands.
Daily. Sometimes I just rinse my hair in the shower, though, and condition it without shampooing every day.
Hand-washing, after every potty visit. After handling chicks or chickens. Before any meal except candy bars or when I'm snacking on the road as I drive. I, too, dislike the feel of lotion on my hands (although they could certainly use some!) and hamburger smushing is something I avoid, for the same reason as does Gritsar. <*shuddering*>