The mascara distributor applicator (1) includes: a) a container (3) including a neck (7) threaded externally and a chamber (5) extending in an axial direction with a side wall (6), b) an applicator (8) including a head (9) threaded internally so as to cooperate with the neck by screwing to ensure a sealed closing of the container, a stem (10) attached by its upper extremity to the head and by its lower extremity to a means of application (11). The applicator also includes: c) a hollow outer envelope (21) with at least one opening (28) and at the inside of which the container is fixed in a removable way and d) a hollowed-out cover with at least one opening (25) and inside which the applicator of the cosmetic product is fixed in a removable way.