Can black soap help eczema? can raw shea butter help eczema?

Some help: Tar soaps have been used for eczema for a hundred years or more and can be mildly helpful for itching and the outbreak, but can be noisome cosmetically. Shea butter can be helpful by providing a lipid based moisturizing routine, but there are more elegant options that moisturize and heel skin barrier function to help eczema like the Cerave line and others.