For a while, advertisers were reticent to commission posters by the artist, as the French public was yet to embrace him as the Swiss had. As a result, during the two years which followed his arrival in France, the artist worked more as an illustrator than poster designer.

Later, however, once fully embedded in the work of St. Raphaël, Loupot’s work is everywhere: occupying four thousand painted walls up to thirty metres square in size — not including the several thousand of posters on sheet metal which adorned the city of Paris.