To provide a new hair styling technique wherein a drawback produced in a conventional cylindrical curler or hair iron can be eliminated and hair of the head can be arranged into a shape which can not be achieved even with the conventional cylindrical curler or hair iron.

Hair of the head curled in spirals having different diameters are turned newly into an external form different from another hair form. A globular hair styling instrument comprises a hair iron 200 having a globular head 26 or a hair brush. By providing a globular structure of the hair iron 200, a useless space of the hair iron 200 can be reduced, and hence the hair iron 200 can be utilized for each hair bundle more completely.