A rare know-how, the saponification of vegetable oils has made the reputation of laboratoire provendi for over 70 years.

In a few clicks, discover our traditional Master Soap Maker know-how, our skills, our conception of quality and our commitments. Then? It is by using our products on your skin, that you will discover why our SME is now the market leader in the field of liquid Marseille soap in France.

OSMA Manufacturing: the new name of a historic craftsman

We have been processing alum stone and its derivatives for over 50 years: Osma Manufacturing is the only French manufacturer of natural alum stone. We are a master alum maker. Now located in Haute-Savoie, a brand new workshop allows us to respond to all the requests of our customers, in a setting that respects its environment and its people.