Mace is a registered brand name of a non-lethal self-defense spray, manufactured by Mace Security International. Mace® Inc. makes three different formulas of self-defense spray: Triple Action, PepperGard or Pepper Mace, and Pepper Foam. A Mace brand defense spray either contains Oleoresin Capsicum (OC) pepper, tear gas or both. All sprays are meant to be directed into the face of an assailant.