If you are experienced in soapmaking you will know that there is a significant distinction between coconut milk and coconut oil Coconut milk adds a great deal of terrific moisture to the soap. There is a difference between utilizing coconut oil and coconut milk. Coconut oil soap isn’t done similarly. This makes 2 completely different types of soaps. It is instead replacemented for the water in the lye service. If it does, the coconut milk can curdle. Your soap is wreck.