Palestinian refugee camps in Lebanon are often depicted as “no-law zones” that give rise to Salafist-Jihadist factions, and inter-related military networks between some Lebanese, Palestinian and Syrian groups. The Lebanese army and its intelligence apparatus are not in a totally antagonistic relationship with Palestinian actors and despite their divisions, Palestinian organizations, from Islamists to Nationalists and Leftists, cooperate with each other. This paper argues that an inter-Palestinian mediation process and a constant dialogue with Lebanese authorities are surely a precondition to face Salafist radicalization in Palestinian refugee camps in Lebanon.