To provide a hair styling device and a hair styling method which are capable of imparting a desired shape to hair while suppressing damage to the hair.

A hair iron 1 includes: a first arm 2; a second arm 3 having an end part mounted to be turned about a shaft part 7, to an end of the first arm 2; and a vibration generating unit 4 for giving vibrations at a frequency of 6,000-15,000 Hz to a first contacting region 2A being a region of the first arm 2 opposite to the second arm 3 and a second contacting region 3A being a region of the second arm 3 opposite to the first arm 2; and heating element plates 5 which are mounted in the first contacting region 2A and the second contacting region 3A and in which tourmaline or keratin is kneaded and a ceramic is coated.