Abstract: A sample cosmetic product (1) having an applicator including a shell (7), incorporating a first portion (13) with a first cavity (10) and a second portion (15) with a second cavity (13) connected together so as to enable the reception of an applicator. A cover (8) is positioned on the shell to cover the first cavity and the second cavity, the cover welded around the first cavity on the first portion of the shell forming a first weld (26), and around the second cavity of the second portion of the shell forming a second weld (27). The first weld is configured to be dewelded by peeling away the cover to enable the opening of the first cavity. The packaging has a reinforcing mechanism separating the first portion and the second portion, the reinforcing mechanism is configured to prevent the dewelding of the second weld.