Joyner helped to write Illinois’s first cosmetology laws, contributing to the formal regulation and professionalization of the industry.
In 1924, Marjorie Joyner played a critical role in shaping the future of the beauty industry in Illinois by helping to draft the state's first cosmetology laws. This pioneering legislation was instrumental in professionalizing the industry, ensuring that practitioners met defined standards of care and education. Joyner's involvement was particularly groundbreaking, demonstrating her leadership and vision in an era where African American women's professional influence was often minimized.