The Cube of Marseille Soap - where it all started! The cube of Marseille soap is a natural and artisanal product, which has been the pride and fame of Marseille since the 17th Century. It has been made in a cauldron according to tradition and contains 72% of vegetable copra, palm (and olive) oils A great accompaniment to any other Compagnie gift, the Cube of Marseille Soap shows the authenticity, tradition and purity of the Compagnie De Provence products.