MACE DEFENSE SPRAY is a 10% solution that either contains OC pepper, tear gas, or both. OC causes the eyes to slam shut, uncontrollable coughing and choking. Tear gas causes disorientation and intense facial burning. Mace defensive sprays contain a UV dye which may aid in identification if apprehended. Perfect for men and women's self defense. Mace has been around since 1970. MACE is made in the USA.