 Francis, along with other stars of the day including Marlene Dietrich, Clara Bow and Carole Lombard, subsequently helped launch the studio.Whilst he was head of the Warner Brothers make-up department, he piloted several changes including introducing a description of shades of hair colour to use different types of make-up more appropriately.Whereas prior to Perc, studios described actresses simply as Blonde or brunette, Perc introduced a chart of thirty five shades of blonde alone.