The black soap of Savonnerie Le Sérail is made from olive and linseed oil and has a cleansing and protective action for all types of floors, including tiles.
 When linseed oil dries, it forms a protective film that gives your floors a remarkable shine.
 With its 100% plant-based active ingredients, black soap is ideal for cleaning, renovating, shining and renovating all types of floors and surfaces.
 Black soap can also be diluted with water and then sprayed on roses to protect them from aphids.