yes I have (cayenne powder)...hurts like a bitch... WHILE you still endure the ch hit...but...give it a try...we all the same...AND all different..
...careful at work...folks see you disappear....and come back with red eyes and the "sniffles"...assumptions are made....
Yes, lots of people have tried it, usually with a dried form of capsaicin or a capsaicin cream. 90% of the reports here have been that you get a burning nose in addition to a CH attack.