The invention provides an image analysis device, an image analysis method and an evaluation method. The image analysis device is provided with the components of: an image acquiring unit configured to acquire the facial images before and after coating with an external dermatological medication on the skin or hair; a luminance correcting unit configured to correct luminance of the facial image acquired by the acquiring unit; a difference amount acquiring unit configured to acquire difference amounts of the corrected facial images acquired by the correcting unit before and after coating in each of the regions; an analysing unit configured to analyse the skin and hair based on the difference amounts acquired by the difference amount acquiring unit; and an image forming unit configured to generate an image for displaying a result of analysis acquired by the analysing unit.