This research aims to examine the intensity of teenage girls' use of the TikTok application in Egypt, as well as to study the impact of various factors, including the level of expectations among teenage girls in Egypt while using TikTok, their level of attention during usage, their motivations for using the app, their perception of the realism of TikTok content, their perception of the use of costly signals on TikTok, the level of gender bias among them, and the demographic variables of the sample. It also explores how these factors influence this relationship.