Weekend Wonderings: What to substitute for lecithin in a nail product?

In this post on the Chemistry of our nails: lotion bars with lecithin, Laura asks: What can I substitute lecithin with? Beeswax, more lanolin, exotic butter (which sounds fantastic for my ‘gardening without gloves’ hands? ;)When we’re trying to figure out what we can use as a substitute, the first thing I do is refer to the…