A purpose of the present invention is to categorize various shapes in early FPHL and to define progression classification in order to determine the progress and the therapeutic effect.A head-image evaluation apparatus includes an acquiring unit 250 that acquires a head image 80 obtained by photographing the hair of a subject, a recognizing unit 260 that recognizes, from a reflection image 100 in which surface-reflected light in the head image 80 is formed, the shape of the surface-reflected light, and a categorizing unit 270 that determines a shift degree of the shape of the surface-reflected light from the reflection image 100 with image processing, and categorizes the degree as any one of a plurality of stages 280.
