[2] Shortly after, as he memorised the captivating scents of flowers, fruits and spices and developed an exceptional olfactory memory, without any formal training, he chose to embark on the profession of perfumer.
He chose "Parfums Caron", a short name easily remembered and pronounced in several languages while still being associated with France, rather than his own foreign sounding name, in a country still troubled by the Dreyfus affair.
While Daltroff created fragrances, Wanpouille designed bottles and served as an artistic director,[5] together they launched great women's perfumes such as Narcisse Noir in 1911, N'aimez Que Moi in 1917.
After World War I, in 1918, Ernest Daltroff was invited to attend the Bronx International Exposition of Science, Arts and Industries in New York with his competitor François Coty.
In 1939, the rise of antisemitism led Ernest Daltroff to take refuge in the United States,[12] arriving early 1940 on board The Manhattan and registering at Ellis Island.