October 8, 1906 (August 21), Ping Wu, curly hair revolution initiated from the UK. Reference 1906 10 London a beauty salon pioneered the electric perm. (L $ dj��.c��m) This the electric perm equipment is designed by German hairdresser Karl Naisi Li, bulky extremely surprising. Perm required to head a dozen or more, weighing 1,400 grams of metal perm folder, just sit more than six hours, time-consuming and money to have beautiful curls, but the grand ladies still shone. (History. Com)