Laundry washing machine comprising an outer casing and, inside said outer casing, a washing tub, a rotatable drum housed in axially rotatable manner inside the washing tub and structured for housing the laundry to be washed, a detergent dispensing assembly which is structured for supplying detergent into the washing tub, a fresh-water supply circuit which is structured for selectively channelling a flow of fresh water from the water mains towards the detergent dispensing assembly and/or the washing tub, and a water softening device which is arranged/located along the fresh-water supply circuit and is structured for reducing the hardness degree of the fresh water channelled to the detergent dispensing assembly and/or the washing tub; the laundry washing machine furthermore comprising an appliance control panel which is located on a front wall of the casing, close to a worktop of the casing, and is structured for allowing the user to manually select the desired washing-cycle; the detergent dispensing assembly being provided with a corresponding first loading inlet or mouth which is structured for allowing the user to load the washing agent inside the same detergent dispensing assembly, and being arranged /located inside the casing so that said first loading inlet or mouth is exposed or exposable to the outside on the front wall of the casing; the water softening device in turn comprising: a water-softening agent container which is arranged/located along the fresh-water supply circuit so as to be crossed by the fresh water flowing along the fresh-water supply circuit towards the detergent dispensing assembly and/or the washing tub, and is filled with a water softening agent able to reduce the hardness degree of the fresh water flowing through the same water-softening agent container; and a regeneration-agent reservoir which is fluidically connected to the water-softening agent container and is structured to receive a consumable regeneration agent for performing a regeneration of the water softening function of the water softening agent stored into the water-softening agent container; the regeneration-agent reservoir being provided with a second loading inlet or mouth (33a, 52) that is exposed or exposable to the outside of the casing and is structured for allowing the user to load a regeneration agent inside the same regeneration-agent reservoir; the laundry washing machine being characterized in that the regeneration-agent reservoir is arranged/located inside the casing so that said second loading inlet or mouth (33a, 52) is located/arranged on a portion of said worktop located behind the appliance control panel and is freely accessible by the user through a manually-operated closure assembly provided on the worktop of the casing. the laundry washing machine furthermore comprising an appliance control panel which is located on a front wall of the casing, close to a worktop of the casing, and is structured for allowing the user to manually select the desired washing-cycle; the detergent dispensing assembly being provided with a corresponding first loading inlet or mouth which is structured for allowing the user to load the washing agent inside the same detergent dispensing assembly, and being arranged /located inside the casing so that said first loading inlet or mouth is exposed or exposable to the outside on the front wall of the casing; the water softening device in turn comprising: a water-softening agent container which is arranged/located along the fresh-water supply circuit so as to be crossed by the fresh water flowing along the fresh-water supply circuit towards the detergent dispensing assembly and/or the washing tub, and is filled with a water softening agent able to reduce the hardness degree of the fresh water flowing through the same water-softening agent container; and a regeneration-agent reservoir which is fluidically connected to the water-softening agent container and is structured to receive a consumable regeneration agent for performing a regeneration of the water softening function of the water softening agent stored into the water-softening agent container; the regeneration-agent reservoir being provided with a second loading inlet or mouth (33a, 52) that is exposed or exposable to the outside of the casing and is structured for allowing the user to load a regeneration agent inside the same regeneration-agent reservoir; the laundry washing machine being characterized in that the regeneration-agent reservoir is arranged/located inside the casing so that said second loading inlet or mouth (33a, 52) is located/arranged on a portion of said worktop located behind the appliance control panel and is freely accessible by the user through a manually-operated closure assembly provided on the worktop of the casing.