Although he didn't invent the concept of false eyelashes altogether, he is known for popularizing them in the 1930s. He created a line of false eyelashes called "Eylure", which quickly gained popularity in Hollywood and beyond.
Max Factor was already a renowned makeup artist at the time, and his innovations in cosmetics, including his signature "Eylure" false eyelashes, helped transform the beauty industry and make it more accessible to the public.