A system for carrying out a treatment of the head of hair, especially a shampooing operation, to be connected to at least one water inlet, the system including at least one source of cosmetic product, an adjustment device making it possible to modify at least one usage characteristic of at least one product conveyed to the head of hair, a user interface, enabling the user: to select a setting, the system being configured to act on the adjustment device as a function of the selected setting, and to input at least one item of information relating to a treatment result obtained with the selected setting.

A system for carrying out a treatment of the head of hair, especially a shampooing operation, to be connected to at least one water inlet, the system including at least one source of cosmetic product, an adjustment device making it possible to modify at least one usage characteristic of at least one product conveyed to the head of hair, a user interface, enabling the user: to select a setting, the system being configured to act on the adjustment device as a function of the selected setting, and to input at least one item of information relating to a treatment result obtained with the selected setting.

A shampoo bowl and neck/head rest combination wherein the shampoo bowl for receiving the neck and/or head area has a recessed area for receiving the neck/head rest below a top edge of the shampoo bowl. In another embodiment, a shampoo bowl arrangement comprises a bowl, the bowl dimensioned to receive a neck area and/or a head area of a person during a hair washing, hair cutting, massaging and/or hair coloring procedure; and one or more accessories, couplable to the bowl and utilizable during the hair washing, hair cutting, massaging and/or hair coloring procedure. In a preferred embodiment, a cushion is provided, wherein the cushion extends along at least a portion of a top edge of the shampoo bowl, and wherein the one or more accessories are coupled to the cushion and the cushion and the neck/head rest are integrated as one unit (e.g. one piece of material).

A shampoo bowl and neck/head rest combination wherein the shampoo bowl for receiving the neck and/or head area has a recessed area for receiving the neck/head rest below a top edge of the shampoo bowl. In another embodiment, a shampoo bowl arrangement comprises a bowl, the bowl dimensioned to receive a neck area and/or a head area of a person during a hair washing, hair cutting, massaging and/or hair coloring procedure; and one or more accessories, couplable to the bowl and utilizable during the hair washing, hair cutting, massaging and/or hair coloring procedure. In a preferred embodiment, a cushion is provided, wherein the cushion extends along at least a portion of a top edge of the shampoo bowl, and wherein the one or more accessories are coupled to the cushion and the cushion and the neck/head rest are integrated as one unit (e.g. one piece of material).

A process for treating, especially is for washing, the hair, including applying at least one cosmetic active ingredient to the head of hair using, a dispensing device. The dispensing device including a hand piece preferably having at least two nozzles, the jets of which collide with one another, to form a mixture of water and of the active ingredient, this mixture originating from a collection basin arranged below the user's head.

A process for treating, especially is for washing, the hair, including applying at least one cosmetic active ingredient to the head of hair using, a dispensing device. The dispensing device including a hand piece preferably having at least two nozzles, the jets of which collide with one another, to form a mixture of water and of the active ingredient, this mixture originating from a collection basin arranged below the user's head.

A hair rinsing sink assembly for rinsing the full length of a user's hair includes a sink that is elongated and tapers such that the sink has a conical shape to accommodate the full length of a user's long hair. A plurality of grooves is integrated into the sink and each of the grooves is oriented to extend along a full length of the sink. In this way each of the grooves can accommodate the user's hair to facilitate the user's hair to be separated into a plurality of strands for efficiently rinsing the user's hair. A faucet is removably integrated into the sink for rinsing the user's hair. Moreover, the grooves facilitate the user's hair to be thoroughly rinsed after hair dye, for example, has been applied to the user's hair.

A hair rinsing sink assembly for rinsing the full length of a user's hair includes a sink that is elongated and tapers such that the sink has a conical shape to accommodate the full length of a user's long hair. A plurality of grooves is integrated into the sink and each of the grooves is oriented to extend along a full length of the sink. In this way each of the grooves can accommodate the user's hair to facilitate the user's hair to be separated into a plurality of strands for efficiently rinsing the user's hair. A faucet is removably integrated into the sink for rinsing the user's hair. Moreover, the grooves facilitate the user's hair to be thoroughly rinsed after hair dye, for example, has been applied to the user's hair.

A hair rinsing sink assembly for rinsing the full length of a user's hair includes a sink that is elongated and tapers such that the sink has a conical shape to accommodate the full length of a user's long hair. A plurality of grooves is integrated into the sink and each of the grooves is oriented to extend along a full length of the sink. In this way each of the grooves can accommodate the user's hair to facilitate the user's hair to be separated into a plurality of strands for efficiently rinsing the user's hair. A faucet is removably integrated into the sink for rinsing the user's hair. Moreover, the grooves facilitate the user's hair to be thoroughly rinsed after hair dye, for example, has been applied to the user's hair.

A hair rinsing sink assembly for rinsing the full length of a user's hair includes a sink that is elongated and tapers such that the sink has a conical shape to accommodate the full length of a user's long hair. A plurality of grooves is integrated into the sink and each of the grooves is oriented to extend along a full length of the sink. In this way each of the grooves can accommodate the user's hair to facilitate the user's hair to be separated into a plurality of strands for efficiently rinsing the user's hair. A faucet is removably integrated into the sink for rinsing the user's hair. Moreover, the grooves facilitate the user's hair to be thoroughly rinsed after hair dye, for example, has been applied to the user's hair.