Milk Soap Recipe Using Heavy or Whipping Cream

By David Fisher, About.com Guide

To get started with method #1 (using the milk in place of water in the lye solution), you're going to need the cream to be frozen. - so freeze the heavy cream (or whatever milk you're using) in an ice tray. While that's freezing, we'll move on to method #2, which is using a double strength lye solution, and adding the cream directly to the oils.