You guys remember when I used to joke that my sweat was bleaching my clothes?
Well, turns out I wasn't kidding, only I didn't know it.
According to new research, scientists "...found that a couple different chemicals accumulate in vitiligo-affected skin: peroxynitrite and hydrogen peroxide (Yep, the same stuff that's often used in bleach)."
http://www.popsci.com/science/article/2013-05/new-cream-returns-natural-color-white-hair?src=SOC&dom=tw Sunovabitch.