The present invention relates to a hair tester and, particularly, to a hair tester capable of inspecting a hair condition before a perm procedure and capable of quantitatively identifying a softened degree of hair during a perm procedure and the like at a beauty salon and the like. The hair tester (1000) of the present invention comprises: a case (1100)； a display unit (1200) for digitizing a diagnosis and measurement state； an operation unit (1300) having a button for an operation； a gripper means (1400) for allowing a gripper to advance so as to hold hair； a measurement pin means (1500) allowing a measurement pin to push out hair by advancing toward the hair fixed by the gripper means； a transfer sensing means (1600) having a limit sensor spaced from a zero point sensor at predetermined intervals； a measurement sensor means (1700) having a hair detection sensor provided in the measurement pin means such that the measurement pin of the measurement pin means is detected by pressing the start button of an operation unit, and having a softening amount detection sensor configured so as to detect the other end portion of the measurement pin means while being spaced from the hair detection sensor at predetermined intervals； a control unit (1800) provided inside the case so as to control the display unit and the operation unit, the gripper means, the measurement pin means, the transfer detection means, and the measurement sensor means； and a power unit (1900) provided inside the case so as to supply power to the display unit and the operation unit, the gripper means, the measurement pin means, the transfer detection means, the measurement sensor means, and the control unit.La présente invention concerne un testeur de cheveux et, en particulier, un testeur de cheveux capable d'inspecter l'état de cheveux avant une procédure de permanente et capable d'identifier quantitativement un degré d'assouplissement des cheveux pendant une procédure de permanente et similaire dans un
