Which inventor created the first perm machine that generated permanent waves?

The invention of the first perm machine that generated permanent waves is attributed to Charles Nessler. He developed an innovative device in the early 1900s that utilized heat to curl hair, creating the first mechanical method for producing permanent waves. This technology revolutionized the way hairstyles could be formed, allowing for curls that would last for an extended period, which was a significant advancement for the beauty industry at the time.

Nessler's machine heated metal rods that were wrapped in hair, making it possible to create waves in a more consistent and permanent manner than previous methods. This was a game-changer in hairstyling, as it allowed stylists to offer clients long-lasting hairstyles, laying the foundation for modern perming techniques. His contribution is widely recognized as a pivotal moment in the history of hairdressing and salon practice.