Check out the Environmental Working Group's Hall of Shame for cleaning products.
Is Castile Soap An Effective Green Cleaner?
I found many recipes online using castile soap and many claims on the websites about the house cleaning value of castile soap. I was intrigued. As I already purchased a large jug of the stuff, it was an appealing idea to have one product to rule them all. So I tried, and I tried and I tried to make castile soap work in my cleaning routine.