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Just as many people mistakenly refer to tissue paper as “Kleenex” or refer to a photocopy as a “Xerox,” many people refer to defense sprays as “Mace.” Mace is a brand name that carries a registered trademark owned by Mace Security International (MSI). MSI originally marketed a particular tear gas self defense spray. Today, Mace brand defense sprays either contain OC pepper, tear gas, or both.
