The degradation of chemical compounds within a self-defense spray renders it less effective over time. The active ingredient, oleoresin capsicum (OC), the substance derived from chili peppers, can lose its potency, resulting in reduced pungency and dispersal range. A diminished stream or an insufficient cloud of irritant may compromise the user’s ability to deter a threat effectively.
Maintaining fully functional self-defense tools is critical for personal safety. Expired spray might provide a false sense of security, leading to potentially dangerous outcomes in confrontational situations. Historically, OC spray formulations have varied, affecting shelf life; newer formulations often incorporate stabilizers to prolong efficacy, but even these eventually degrade.