👉 Non-flagrance is a legal concept in many jurisdictions that refers to a substance or product that cannot be detected by an external inspection, such as a chemical or biological weapon. The term was introduced in the 1980s and has since become widely recognized in international law. In the context of non-flagrance, it means that an object is considered "safe" or "non-dangerous" without having any detectable characteristics or properties. This can be achieved through various methods such as testing