Yep. Like I posted earlier in this thread, the eyecolorboard people said MSM slowed lightening down.
Extra confirmation, like from here, is always good. I am soo glad I stopped using it. I didn't experience darkening, but I just took their word for it.
Extra confirmation, like from here, is always good. I am soo glad I stopped using it. I didn't experience darkening, but I just took their word for it.