Funny about this question. I received an E mail yesterday about this subject. In NYS No Pepper or Mace sprays are allowed by law here. So the E mail said, That a can of Wasp spray from the dollar store is more effective than any of the above sprays,If you hit them in their face & eye's it will stop an attacked dead in their tracks. This is great for Woman also while in their car's to keep a can at the ready in case the SHTF & it is not against any Law's to carry a can of Wasp spray etc.