Our current favorite shave cream for the Saturday morning ritual head shave.  A little goes a long way, and doesn't gunk up the razor quite as badly as some other lube shaves.  Very light jojoba and eucalyptus add a subtle invigoration.  A very close shave with little effort, little mess.  Easy to go back over an area if needs be, just moisten the scalp and the lubrication is still there.