Of female beauty leaders, only Madame C.J. Walker actually developed her own products and focused on promoting and training women scientists in her company. For example, she developed shampoos and ointments to heal scalp infections from infrequent hair washing, during a time when indoor plumbing was not common. Read more and my #feministsciencesubstack feministscientist.substack.com/p/cosmetic-chemistry-and-its-problem #womeninstem #womenengineers #womeninsteam #feministscience #substack #academicwomen #cosmeticchemistry #womeninchemistry #feministsciencestudies #beautyindustryprofessionals #feministsciencesubstack #historyofscience