The invention relates to a hair styling aid (1), in particular for curling hair, and to a method of styling (curling) hair. The hair styling aid (1) comprises a guide (16) for receiving a length of hair to be styled, and a rotatable element (20). In use, the rotatable element (20) rotates relative to the guide (16), pushing a portion of the hair to one side and winding it around a protrusion (36). The hair styling aid has a housing (6) comprising a front chamber (8) and a rear chamber (10), and the rotatable element (20) is located between the front chamber and the rear chamber.