Mace was originally invented by Lake Erie in 1962. He called it chemical mace. But today it is popular with the name of Mace spray. Mace is generally a tear gas which contains volatile solvents. But now a days capsicum oleoresin is also used as one of its main constituent. The effect of Mace differs on humans. If the skin of attacker comes in contact with the spray he feels burning sensation. If it falls in the eyes the eyes gets close because of intense pain. The effect lasts from thirty to forty five minutes depending upon the immunity of the person. Generally the effect on druggers and drunkers is less intensed.
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