A device (1.1) for the radiation of scalp hair (2) using infrared radiation (10.3), wherein the infrared radiation (10.3) is generated by at least one linear-shaped infrared lamp (3.1) with a reflector system (4). In a first exemplary embodiment, a first reflector (6.1) is allocated to the infrared lamp (3.1) on the longitudinal side, wherein the infrared lamp (3.1) basically forms an optical collection line of the first reflector (6.1). The first reflector (6.1) with a first reflection side (9.1) and a second reflector (6.2) with a second reflection side (9.2) are placed facing each other, wherein the infrared lamp (3.1) is enclosed by the first and the second reflector (6.1, 6.2), by at least 360° altogether.