A cartridge (10) for a fragrance diffuser (12), in particular for vehicles, is provided. The cartridge (10) comprises a body (16) and a cover (14) attached to the body (16), the cover (14) being able to assume a locked position in which it is securely locked to the body (16) such that the interior of the cartridge (10) is sealed, a closed position in which it cooperates with the body (16) such that the interior of the cartridge (10) is still sealed, and an open position in which access to the interior of the cartridge (10) is possible.
