I will have to try the olive oil procedure, as I haven't heard of it either. But I too continually fight sweat in the eyes and I've tried about all the headbands. On a fast group ride in hot weather, its just no way to avoid it. Headbands just make me hotter, although I generally do wear one on recovery or long easy rides I will say however, that routinely washing the helmut pads helps take the salt out. The issue is, as the pads dry the minerals remain. Then when you are riding and sweating again, you end up with a more concentrated perspiration in your eyes and yes, it burns. I rinse my pads after every ride.