A curler having a body with a longitudinal axis designed to have a section of hair wound about it, and a foot integral with a first axial end of the body and having a surface capable of resting on the scalp. This surface preferably has a surface area greater than the surface area of a transverse section through a part of the body capable of having the section of hair wound about it. The foot includes means capable of retaining a portion of the section of hair that is not wound about the body. In addition, the body has an arm capable of occupying, for example by deformation of the arm and/or the body, a position in which the arm keeps the section of hair wound around part of the body.