 Giovanni Maria Farina's formula has been produced in Cologne since 1709 by Farina opposite the Jülichplatz and to this day remains a secret.His shop at Obenmarspforten opened in 1709 and is today the world's oldest fragrance factory.In 1806, Jean Marie Joseph Farina, a grand-grand-nephew of Giovanni Maria Farina, opened a perfumery business in Paris that was later sold to Roger & Gallet.