Fluid product dispenser

A fluid product dispenser, comprising:

• a fluid product reservoir forming a neck defining an annular upper edge,
• an outer casing comprising a threaded bushing defining a central opening for the passage of the neck, the fluid product reservoir extending in the casing along a longitudinal axis X,
• a dispensing member provided with a threaded ring intended to come into threaded engagement with the threaded bushing of the outer casing, the dispensing member coming to bear axially on the neck when screwing of the threaded ring onto the threaded bushing is complete,
• the neck and the threaded bushing together forming axial abutment means for axially locking the neck in the threaded bushing by axial thrust of the dispensing member on the neck,
• characterized in that the outer casing comprises:
• an outer shell forming a threaded upper edge, and
• a cover comprising a threaded skirt intended to come into threaded engagement with the threaded upper edge of the outer shell, the cover forming the threaded bushing defining the central opening for the passage of the neck of the fluid product reservoir.