Absolutely not. The brown scapular is not a lucky charm or a guarantee of heaven. Rather, it is a sign of the devotion of Carmelites to Our Lady of Mount Carmel and her Son; and it is a sign of Our Lady of Mount Carmel's love for and protection of the order that honors her as sister, mother, and queen.
I hope this addresses your question. You may have noticed that this is a Catholic Caucus thread. Are you a Catholic?
Sorry. I glazed right by that! I apologize for butting in!