Majorie Joyner invented the permanent wave machine. This device, patented in 1928, curled or “permed” women’s hair for a relatively lengthy period of time.
Invented a permanent wave machine that added curl to straight hair and could be used to straighten curly hairDr_-Marjorie-Joyner-1
Became national supervisor for more than 200 beauty colleges owned by Madame C.J. Walker; eventually joined their board of directors