Use BioShield Decontamination Spray for recovery and protection from accidental discharge, gas blowback and assault from OC Pepper and CN Tear Gas Sprays. BioShield is a non-toxic decontaminant that uses natural herbal ingredients to neutralize the effects of OC Pepper, CS, CN and other tear gas agents almost immediately. Its special formula breaks down the molecular structure of these man-made chemicals to quickly restore breathing, eyesight and physical orientation. Available in 4-oz. and 16-oz. pump spray bottles.