Answer:
Isaac K.shero was the first to invent the hair straightener. First he took two heated flat irons and pressed them together but that was just the start. the electrical straightener was improved later on in time witch aloud you to adjust the temperature. They also made bigger one that could straighten more. A ceramic hair straightener brush was made in 2013. And think without Isaac's designs what would we straighten hair and how long would it take.
Step-by-step explanation:
hope this helps