For vitiligo: it can be reversed.
Look up Dr. Robert Morse-work on the Pituitary gland, detox is key, eating raw is key. Per Dr. Wallach clean up your diet, eliminate ALL gluten, take a combination of supplements to reverse any ailment. Dr. Bergman clean up diet, eat certain foods, detox, and do certain treatments like infrared sauna and others to reverse vitiligo. All three know that the body will heal it self given the right tools.
Heal from within and stop treating symptoms.