Description Unlike other black soaps made from linseed oil, Marius Fabre black soap is made from olive oil. Highly concentrated, it gives it its pretty dark brown color. Made from vegetable oil, solvent-free and coloring-free, Marius Fabre olive oil black soap is biodegradable and environmentally friendly. Its highly concentrated formula makes it a truly economical product. Quality charter for “Marius Fabre” black soap with olive oil Special formula with olive oil, patented by Marius Fabre No coloring, no perfume, no solvent Biodegradable Quality guaranteed by family know-how for 4 generations Composition 100% vegetable (olive oil) No coloring, no perfume, no preservative No chemical additive Composition: potassium soap with olive oil (between 15 and 30%), water. 100% of the ingredients are of natural origin.