Hair straighter was invented in 1892 by   Madame C.J. Walker In New York City. In 1900's Madame C.J Walker developed a range of  hair-care products for black hair. Madame C.J Walker became very famous with her black hair products and for her inventions. Madame C.J Walker invented this for the use of women so they look good everyday. She got a start by giving herself a start. Her real name was Sarah Breedlove McWilliams Walker. Then everyone started to call her Madame C.J Walker.