A system for analyzing at least one characteristic of the skin (1) and by extension hair, via optics (7, 4) and image processing (4, 5) elements notably include a consumer electronics device (4). The method for analyzing at least one characteristic of the skin notably includes a step wherein at least one digital image is acquired via a consumer electronics device. According to a first aspect, the method notably aims at applications in the field of cosmetics or that of skin cancer screening, and according to a second aspect in the field of assisting with diagnosis of allergies.