Yeah, I had trouble searching for this thread too and I made it! I have no idea why it doesn't show up in the search. I just bookmarked it in the end...
I had a really bad habit (for a few summers) of sitting in the sun for an hour or two on weekends, on purpose, to try and lighten my hair naturally. ...
The buff I have is recommended by the Skin Cancer Foundation and uses HeiQ Cooling Technology. If you do a search online using just that term a bunch...