Gah, at church they use a lotion-based soap that drives me nuts. Makes my hands slick and I hate the feel of it. I just rinse them and dry them down really well whenever it's my Sunday to play.
I pretty much always carry a few alcohol preps with me. They come in handy far more often than I'd like. They're also good for using on your hands when you've just washed them with a lotiony soap that won't rinse off all the way.