| abstract |
The present invention relates to a cosmetic device (1) for applying to human keratinous materials, the device including an electrochromic multilayer structure comprising an electrosensitive stack of at least: ·first and second electrode layers (40; 50); ·first and second active electrochromic layers (10; 20); and ·an electrolyte layer (30) between the active electrochromic layers; the stack (10, 20, 30, 40, 50) being non- homogeneous. |