Is the concept of humanitarian intervention part and parcel of customary law? In order to answer this question the or gins of the concept, (alleged) pre- and post-Charter state practice and the relation with the principles of non-interference in the domestic jurisdiction and the non-use of force will be considered. It will be concluded that the aforementioned question must be answered in the negative, notwithstanding the fact that genuine humanitarian interventions tend to be tolerated by the international community.