A skin darkening evaluation device comprises: a frequency analysis means for decomposing a skin image into color irregularities of a prescribed size a color irregularity index acquisition means for acquiring skin color information from the color irregularity which is decomposed by the frequency analysis means, and acquiring a color irregularity index of the color irregularity from the acquired skin color information and a darkening evaluation means for evaluating a darkening of the skin corresponding to the skin image on the basis of the color irregularity index which is obtained from the color irregularity index acquisition means.一種皮膚的黯沉評價裝置,其包括:頻率解析單元,其將皮膚圖像分解為預定的尺寸的色斑;色斑指數取得單元,其根據由該頻率解析單元所分解的該色斑來取得皮膚的色彩資訊,根據所取得的該皮膚的色彩資訊來取得該色斑的色斑指數;以及黯沉評價單元,其基於由該色斑指數取得單元所得到的該色斑指數,來評價對應於該皮膚圖像的皮膚的黯沉。10‧‧‧黯沉評價裝置11‧‧‧輸入單元12‧‧‧輸出單元13‧‧‧記憶單元14‧‧‧圖像取得單元15‧‧‧頻率解析單元16‧‧‧色斑指數取得單元17‧‧‧膚色指數取得單元18‧‧‧黯沉評價單元19‧‧‧控制單元
