There have been a few commenters lately telling of a medicine called meladinina which has cured them of vitiligo. They say that they got the meds from Cuba and that some people even travel all the way there to get treatment and buy meladinina.
With a quick search on the internet, I found that meladinina is a mexican brand name of a medicine found in the pharmacologic category, Psoralen. To my surprise there are Canadian and U.S equivalants to meladinia:

As an Associate Professor in the Department of Neurology at the Oregon Health & Science University, what sparked your interest in finding a cure for vitiligo?
My field of expertise is the identification of potential new drugs from natural sources e.g plants used in traditional medicines.  I started working on finding a treatment for vitiligo while I was employed at the Pharmacy Department, Kings College London, University of London.  This arose as a result of Maxine Whitton, then Chair of the UK vitiligo society, contacting me to see if I could …

I’m including the following article today as a prelude to my next blog. Presently, I am conducting an interview with Dr. Amala Soumyanath.  She discovered that piperine, the alkaloid in black pepper responsible for its pungency, stimulated the proliferation of melanocytes in cell cultures.
04/09/08 Portland, Ore.
OHSU and AdPharma, Inc. announce collaboration to develop promising topical agent for vitiligo, a skin pigmentation disorder that afflicts as many as a 100 million people worldwide
Oregon Health & Science University has licensed a family of compounds derived from black pepper extract  on which it …