Who is credited with inventing the first permanent wave machine?

The individual credited with inventing the first permanent wave machine is Charles Nessler. He developed a method and a machine for creating permanent waves in hair in the early 1900s, which revolutionized hairstyling by allowing for waves and curls that were long-lasting. Nessler's technique utilized heat and chemicals to alter the hair's structure, paving the way for modern perming processes.

His invention marked a significant advancement in the beauty industry, enabling stylists to create styles that were previously difficult to achieve. This innovation is foundational to the practice of perming, making Nessler a pivotal figure in the history of hair treatment methods.