Implementing pictorial health warning labels on waterpipe tobacco products in Lebanon: A policy framework analysis of content, actors, context, and process.

A growing research base has documented the potential effectiveness of PHWLs on reducing WP consumption.Findings of this study show that implementing PHWLs on WP products requires a distinct understanding of the policy environment and context, as well as content, actors, and processes.Implementing PHWLs on waterpipe tobacco products needs to address the complex nature of waterpipe smoking as a multi-component tobacco use method.