ORIGINAL: chucker34
So I have a question. If you've used UV brighteners and want to reverse the effect, how does the UV killer stuff work? Does it work permanently after the first application, or do you have to keep reapplying it?
UV brighteners are essentially "gunk" that coat the fibers of your garment.
UV Killer coats the "gunk"
If you wash your clothes in UV brightening stuff again, you're back to square one with even more gunk.
Check out this link:
http://home.adelphia.net/~geffert/deervis.htm