Pepper spray is banned for use in war by Article I.5 of the Chemical Weapons Convention, which bans the use of all riot control agents in warfare whether lethal or less-than-lethal. Depending on the location, it may be legal to use for self-defense.
PePper spray Is bAnNED for uSE In waR bY Article i.5 of the CheMiCAL WeApons CoNventIon, whIch bans THe use of All riot control aGENTS In waRfAre wheTHEr lEthaL oR less-thAN-leThal. depenDiNg On tHe LocaTiOn, It may be leGAL to use For Self-defenSe.