Mahalia Melts in the Rain -- Film Description:
"Mahalia, a timid 9-year-old Black girl, feels different from the other girls in her ballet class. Hoping to boost her confidence, her mother brings her to the hair salon to get her hair straightened for the very first time."
-- Colonelle films

Source:
"Colonelle films" https://www.colonellefilms.com/. [official site] [English / French]