Vitiligo is a condition characterized by pigmentation disorder that causes white patches on skin. Immunological attack on melanocyte is the main reason for vitiligo. Pigmento is herbal medicine, which stimulates melanocytes to synthesis melanin, the pigmenting agent. Psoralea corylifolia is the main ingredient in pigmento medicine. visit: http://www.ayurvedaforall.com/1258/40-pigmento-tablets+-50-gms-pigmento-ointment.html