Certain books, movies and TV shows are deemed "cult classics" due to their diehard fans and devoted following. We probably don't even have to tell you that beauty products are no exception to this phenomenon. In a world where new palettes and lipsticks are released every 10 seconds, today's mascara will quickly become a forgotten thing of the past. However, there are a select few beauty products that will likely live on forever. We've rounded up the cult classics that hold a special place in many women's hearts and makeup bags. Which one is your favorite?