In reply to wintertree:
Wash hands and then immediately use hand cream. As you say cracked skin would be a bad idea.
Nutrogena Norwegian hand cream is as good as anything else and it is concentrated so you don't need much.
Any moisturiser is fine though, it doesn't really matter that much. Use whatever you have.
I also like childs farm products which you can find in the baby section of the shops.
If they do crack then look for something with urea, foot cream or Garnier hydro lock.
I worked in a food factory briefly many years ago and we were taught how to wash hands and lotion afterwards was part of this.
Post edited at 11:33